diff --git a/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Chrome/select-after.png b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Chrome/select-after.png
new file mode 100644
index 00000000..690511c4
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Chrome/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Chrome/select-dialog.png b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Chrome/select-dialog.png
new file mode 100644
index 00000000..2d05be4f
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Chrome/select-dialog.png differ
diff --git a/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Chrome/select-initial.png b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Chrome/select-initial.png
new file mode 100644
index 00000000..8db38315
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Chrome/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Chrome/select-open.png b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Chrome/select-open.png
new file mode 100644
index 00000000..06f3fe8c
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Chrome/select-open.png differ
diff --git a/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Safari/select-after.png b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Safari/select-after.png
new file mode 100644
index 00000000..1667c85b
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Safari/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Safari/select-dialog.png b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Safari/select-dialog.png
new file mode 100644
index 00000000..b152157d
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Safari/select-dialog.png differ
diff --git a/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Safari/select-initial.png b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Safari/select-initial.png
new file mode 100644
index 00000000..c41331b3
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Safari/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Safari/select-open.png b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Safari/select-open.png
new file mode 100644
index 00000000..c6381739
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/Mobile-Safari/select-open.png differ
diff --git a/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/chromium/select-after.png b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/chromium/select-after.png
new file mode 100644
index 00000000..fafb0db8
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/chromium/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/chromium/select-initial.png b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/chromium/select-initial.png
new file mode 100644
index 00000000..b539b2a5
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/chromium/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/chromium/select-items-container.png b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/chromium/select-items-container.png
new file mode 100644
index 00000000..38e31a66
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/chromium/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/chromium/select-open.png b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/chromium/select-open.png
new file mode 100644
index 00000000..9f998175
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/chromium/select-open.png differ
diff --git a/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/firefox/select-after.png b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/firefox/select-after.png
new file mode 100644
index 00000000..0d3a683b
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/firefox/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/firefox/select-initial.png b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/firefox/select-initial.png
new file mode 100644
index 00000000..3edb487a
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/firefox/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/firefox/select-items-container.png b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/firefox/select-items-container.png
new file mode 100644
index 00000000..10cdabd6
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/firefox/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/firefox/select-open.png b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/firefox/select-open.png
new file mode 100644
index 00000000..36eb7ad8
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/firefox/select-open.png differ
diff --git a/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/webkit/select-after.png b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/webkit/select-after.png
new file mode 100644
index 00000000..4bfab1d9
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/webkit/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/webkit/select-initial.png b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/webkit/select-initial.png
new file mode 100644
index 00000000..90fe683c
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/webkit/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/webkit/select-items-container.png b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/webkit/select-items-container.png
new file mode 100644
index 00000000..d14dfea8
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/webkit/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/webkit/select-open.png b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/webkit/select-open.png
new file mode 100644
index 00000000..1936aadb
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Async-Per-Item-Behaviour/darwin/webkit/select-open.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/Mobile-Chrome/custom-control.png b/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/Mobile-Chrome/custom-control.png
new file mode 100644
index 00000000..fdd3c4bb
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/Mobile-Chrome/custom-control.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/Mobile-Chrome/more-slot-svg.png b/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/Mobile-Chrome/more-slot-svg.png
new file mode 100644
index 00000000..741dae74
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/Mobile-Chrome/more-slot-svg.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/Mobile-Safari/custom-control.png b/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/Mobile-Safari/custom-control.png
new file mode 100644
index 00000000..4cdffcf1
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/Mobile-Safari/custom-control.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/Mobile-Safari/more-slot-svg.png b/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/Mobile-Safari/more-slot-svg.png
new file mode 100644
index 00000000..51d5c75f
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/Mobile-Safari/more-slot-svg.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/chromium/arrow-slot-svg.png b/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/chromium/arrow-slot-svg.png
new file mode 100644
index 00000000..26f428e4
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/chromium/arrow-slot-svg.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/chromium/custom-control.png b/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/chromium/custom-control.png
new file mode 100644
index 00000000..e8aa37e3
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/chromium/custom-control.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/firefox/arrow-slot-svg.png b/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/firefox/arrow-slot-svg.png
new file mode 100644
index 00000000..d588842b
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/firefox/arrow-slot-svg.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/firefox/custom-control.png b/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/firefox/custom-control.png
new file mode 100644
index 00000000..4b2d64d5
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/firefox/custom-control.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/webkit/arrow-slot-svg.png b/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/webkit/arrow-slot-svg.png
new file mode 100644
index 00000000..e6461374
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/webkit/arrow-slot-svg.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/webkit/custom-control.png b/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/webkit/custom-control.png
new file mode 100644
index 00000000..213d568b
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Control-Slot-Visual/darwin/webkit/custom-control.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Chrome/search-field.png b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Chrome/search-field.png
new file mode 100644
index 00000000..999ba546
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Chrome/search-field.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Chrome/select-after.png b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Chrome/select-after.png
new file mode 100644
index 00000000..a17aa3d8
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Chrome/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Chrome/select-dialog.png b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Chrome/select-dialog.png
new file mode 100644
index 00000000..a65ac6d7
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Chrome/select-dialog.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Chrome/select-initial.png b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Chrome/select-initial.png
new file mode 100644
index 00000000..de26ddff
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Chrome/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Safari/search-field.png b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Safari/search-field.png
new file mode 100644
index 00000000..368f3b44
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Safari/search-field.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Safari/select-after.png b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Safari/select-after.png
new file mode 100644
index 00000000..68f7bcbd
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Safari/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Safari/select-dialog.png b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Safari/select-dialog.png
new file mode 100644
index 00000000..77b5e913
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Safari/select-dialog.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Safari/select-initial.png b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Safari/select-initial.png
new file mode 100644
index 00000000..e1b1e1d3
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/Mobile-Safari/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/chromium/search-field.png b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/chromium/search-field.png
new file mode 100644
index 00000000..14649c57
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/chromium/search-field.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/chromium/select-after.png b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/chromium/select-after.png
new file mode 100644
index 00000000..e72780f1
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/chromium/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/chromium/select-initial.png b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/chromium/select-initial.png
new file mode 100644
index 00000000..ca8b3715
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/chromium/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/chromium/select-items-container.png b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/chromium/select-items-container.png
new file mode 100644
index 00000000..b341817a
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/chromium/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/firefox/search-field.png b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/firefox/search-field.png
new file mode 100644
index 00000000..fe01118e
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/firefox/search-field.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/firefox/select-after.png b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/firefox/select-after.png
new file mode 100644
index 00000000..05f6c1c6
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/firefox/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/firefox/select-initial.png b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/firefox/select-initial.png
new file mode 100644
index 00000000..cef2a125
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/firefox/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/firefox/select-items-container.png b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/firefox/select-items-container.png
new file mode 100644
index 00000000..c1e5f98a
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/firefox/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/webkit/search-field.png b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/webkit/search-field.png
new file mode 100644
index 00000000..35ea4fea
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/webkit/search-field.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/webkit/select-after.png b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/webkit/select-after.png
new file mode 100644
index 00000000..7337ebe4
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/webkit/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/webkit/select-initial.png b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/webkit/select-initial.png
new file mode 100644
index 00000000..67b241c6
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/webkit/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/webkit/select-items-container.png b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/webkit/select-items-container.png
new file mode 100644
index 00000000..afa79928
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Behaviour/darwin/webkit/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Chrome/search-field.png b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Chrome/search-field.png
new file mode 100644
index 00000000..999ba546
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Chrome/search-field.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Chrome/select-dialog-after.png b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Chrome/select-dialog-after.png
new file mode 100644
index 00000000..91366b9f
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Chrome/select-dialog-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Chrome/select-dialog.png b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Chrome/select-dialog.png
new file mode 100644
index 00000000..f51acf31
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Chrome/select-dialog.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Chrome/select-initial.png b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Chrome/select-initial.png
new file mode 100644
index 00000000..62797150
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Chrome/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Safari/search-field.png b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Safari/search-field.png
new file mode 100644
index 00000000..368f3b44
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Safari/search-field.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Safari/select-dialog-after.png b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Safari/select-dialog-after.png
new file mode 100644
index 00000000..ec4337fe
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Safari/select-dialog-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Safari/select-dialog.png b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Safari/select-dialog.png
new file mode 100644
index 00000000..655295b7
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Safari/select-dialog.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Safari/select-initial.png b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Safari/select-initial.png
new file mode 100644
index 00000000..3bb16763
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/Mobile-Safari/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/chromium/search-field.png b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/chromium/search-field.png
new file mode 100644
index 00000000..14649c57
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/chromium/search-field.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/chromium/select-initial.png b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/chromium/select-initial.png
new file mode 100644
index 00000000..016876b8
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/chromium/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/chromium/select-items-container-after.png b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/chromium/select-items-container-after.png
new file mode 100644
index 00000000..09f19420
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/chromium/select-items-container-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/chromium/select-items-container.png b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/chromium/select-items-container.png
new file mode 100644
index 00000000..7cc0525b
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/chromium/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/firefox/search-field.png b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/firefox/search-field.png
new file mode 100644
index 00000000..d37d545c
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/firefox/search-field.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/firefox/select-initial.png b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/firefox/select-initial.png
new file mode 100644
index 00000000..5f5cf08c
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/firefox/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/firefox/select-items-container-after.png b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/firefox/select-items-container-after.png
new file mode 100644
index 00000000..e9440154
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/firefox/select-items-container-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/firefox/select-items-container.png b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/firefox/select-items-container.png
new file mode 100644
index 00000000..f487dfd1
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/firefox/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/webkit/search-field.png b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/webkit/search-field.png
new file mode 100644
index 00000000..35ea4fea
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/webkit/search-field.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/webkit/select-initial.png b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/webkit/select-initial.png
new file mode 100644
index 00000000..66b7d850
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/webkit/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/webkit/select-items-container-after.png b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/webkit/select-items-container-after.png
new file mode 100644
index 00000000..62e0a5ba
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/webkit/select-items-container-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/webkit/select-items-container.png b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/webkit/select-items-container.png
new file mode 100644
index 00000000..9e26e325
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Custom-Search-Slot-Behaviour/darwin/webkit/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Disabled-Behaviour/darwin/Mobile-Chrome/select-initial.png b/.tooling/tests/screenshots/Select---Disabled-Behaviour/darwin/Mobile-Chrome/select-initial.png
new file mode 100644
index 00000000..c6d311e9
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Disabled-Behaviour/darwin/Mobile-Chrome/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Disabled-Behaviour/darwin/Mobile-Safari/select-initial.png b/.tooling/tests/screenshots/Select---Disabled-Behaviour/darwin/Mobile-Safari/select-initial.png
new file mode 100644
index 00000000..34b00048
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Disabled-Behaviour/darwin/Mobile-Safari/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Disabled-Behaviour/darwin/chromium/select-initial.png b/.tooling/tests/screenshots/Select---Disabled-Behaviour/darwin/chromium/select-initial.png
new file mode 100644
index 00000000..ecb095be
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Disabled-Behaviour/darwin/chromium/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Disabled-Behaviour/darwin/firefox/select-initial.png b/.tooling/tests/screenshots/Select---Disabled-Behaviour/darwin/firefox/select-initial.png
new file mode 100644
index 00000000..a3b904be
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Disabled-Behaviour/darwin/firefox/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Disabled-Behaviour/darwin/webkit/select-initial.png b/.tooling/tests/screenshots/Select---Disabled-Behaviour/darwin/webkit/select-initial.png
new file mode 100644
index 00000000..d4ccbdf0
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Disabled-Behaviour/darwin/webkit/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/Mobile-Chrome/select-dialog.png b/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/Mobile-Chrome/select-dialog.png
new file mode 100644
index 00000000..d632c252
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/Mobile-Chrome/select-dialog.png differ
diff --git a/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/Mobile-Chrome/select-initial.png b/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/Mobile-Chrome/select-initial.png
new file mode 100644
index 00000000..dd7099ef
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/Mobile-Chrome/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/Mobile-Safari/select-dialog.png b/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/Mobile-Safari/select-dialog.png
new file mode 100644
index 00000000..0dd5f3b8
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/Mobile-Safari/select-dialog.png differ
diff --git a/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/Mobile-Safari/select-initial.png b/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/Mobile-Safari/select-initial.png
new file mode 100644
index 00000000..b21d9127
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/Mobile-Safari/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/chromium/select-initial.png b/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/chromium/select-initial.png
new file mode 100644
index 00000000..35214a4a
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/chromium/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/chromium/select-items-container.png b/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/chromium/select-items-container.png
new file mode 100644
index 00000000..38ad2dc2
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/chromium/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/firefox/select-initial.png b/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/firefox/select-initial.png
new file mode 100644
index 00000000..81140312
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/firefox/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/firefox/select-items-container.png b/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/firefox/select-items-container.png
new file mode 100644
index 00000000..23170697
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/firefox/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/webkit/select-initial.png b/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/webkit/select-initial.png
new file mode 100644
index 00000000..f5733979
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/webkit/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/webkit/select-items-container.png b/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/webkit/select-items-container.png
new file mode 100644
index 00000000..829a096e
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Empty-Message-Behaviour/darwin/webkit/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Chrome/search-field.png b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Chrome/search-field.png
new file mode 100644
index 00000000..999ba546
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Chrome/search-field.png differ
diff --git a/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Chrome/select-after.png b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Chrome/select-after.png
new file mode 100644
index 00000000..67e4a42c
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Chrome/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Chrome/select-dialog.png b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Chrome/select-dialog.png
new file mode 100644
index 00000000..7017aa70
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Chrome/select-dialog.png differ
diff --git a/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Chrome/select-initial.png b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Chrome/select-initial.png
new file mode 100644
index 00000000..ff0cf387
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Chrome/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Safari/search-field.png b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Safari/search-field.png
new file mode 100644
index 00000000..368f3b44
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Safari/search-field.png differ
diff --git a/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Safari/select-after.png b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Safari/select-after.png
new file mode 100644
index 00000000..2c52391b
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Safari/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Safari/select-dialog.png b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Safari/select-dialog.png
new file mode 100644
index 00000000..dbbe5f4a
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Safari/select-dialog.png differ
diff --git a/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Safari/select-initial.png b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Safari/select-initial.png
new file mode 100644
index 00000000..2f8ce9da
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/Mobile-Safari/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/chromium/search-field.png b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/chromium/search-field.png
new file mode 100644
index 00000000..cb44d1b0
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/chromium/search-field.png differ
diff --git a/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/chromium/select-after.png b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/chromium/select-after.png
new file mode 100644
index 00000000..97fa0f65
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/chromium/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/chromium/select-initial.png b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/chromium/select-initial.png
new file mode 100644
index 00000000..28924a25
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/chromium/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/chromium/select-items-container.png b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/chromium/select-items-container.png
new file mode 100644
index 00000000..dccd5f39
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/chromium/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/firefox/search-field.png b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/firefox/search-field.png
new file mode 100644
index 00000000..d37d545c
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/firefox/search-field.png differ
diff --git a/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/firefox/select-after.png b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/firefox/select-after.png
new file mode 100644
index 00000000..fcc49a4c
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/firefox/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/firefox/select-initial.png b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/firefox/select-initial.png
new file mode 100644
index 00000000..13c6715a
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/firefox/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/firefox/select-items-container.png b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/firefox/select-items-container.png
new file mode 100644
index 00000000..d1096807
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/firefox/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/webkit/search-field.png b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/webkit/search-field.png
new file mode 100644
index 00000000..35ea4fea
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/webkit/search-field.png differ
diff --git a/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/webkit/select-after.png b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/webkit/select-after.png
new file mode 100644
index 00000000..d5a3ec72
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/webkit/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/webkit/select-initial.png b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/webkit/select-initial.png
new file mode 100644
index 00000000..2b8b0038
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/webkit/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/webkit/select-items-container.png b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/webkit/select-items-container.png
new file mode 100644
index 00000000..61be03bb
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Searchable-Behaviour/darwin/webkit/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Chrome/select-after.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Chrome/select-after.png
new file mode 100644
index 00000000..2650dd5e
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Chrome/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Chrome/select-dialog.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Chrome/select-dialog.png
new file mode 100644
index 00000000..3ad4af9f
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Chrome/select-dialog.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Chrome/select-initial.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Chrome/select-initial.png
new file mode 100644
index 00000000..bfce1e40
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Chrome/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Chrome/select-open.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Chrome/select-open.png
new file mode 100644
index 00000000..8ed85522
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Chrome/select-open.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Chrome/select-renderer-before.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Chrome/select-renderer-before.png
new file mode 100644
index 00000000..bfce1e40
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Chrome/select-renderer-before.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Safari/select-after.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Safari/select-after.png
new file mode 100644
index 00000000..24a663bd
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Safari/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Safari/select-dialog.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Safari/select-dialog.png
new file mode 100644
index 00000000..d74dde07
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Safari/select-dialog.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Safari/select-initial.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Safari/select-initial.png
new file mode 100644
index 00000000..26f9fc69
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Safari/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Safari/select-open.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Safari/select-open.png
new file mode 100644
index 00000000..00202c21
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Safari/select-open.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Safari/select-renderer-before.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Safari/select-renderer-before.png
new file mode 100644
index 00000000..26f9fc69
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/Mobile-Safari/select-renderer-before.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/chromium/select-after.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/chromium/select-after.png
new file mode 100644
index 00000000..6a8ae00b
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/chromium/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/chromium/select-initial.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/chromium/select-initial.png
new file mode 100644
index 00000000..3800f421
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/chromium/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/chromium/select-items-container.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/chromium/select-items-container.png
new file mode 100644
index 00000000..fc83c145
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/chromium/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/chromium/select-open.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/chromium/select-open.png
new file mode 100644
index 00000000..19c5e5b9
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/chromium/select-open.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/chromium/select-renderer-before.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/chromium/select-renderer-before.png
new file mode 100644
index 00000000..3800f421
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/chromium/select-renderer-before.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/firefox/select-after.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/firefox/select-after.png
new file mode 100644
index 00000000..06c6068b
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/firefox/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/firefox/select-initial.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/firefox/select-initial.png
new file mode 100644
index 00000000..234b37d7
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/firefox/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/firefox/select-items-container.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/firefox/select-items-container.png
new file mode 100644
index 00000000..1e62442a
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/firefox/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/firefox/select-open.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/firefox/select-open.png
new file mode 100644
index 00000000..ae5e033e
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/firefox/select-open.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/firefox/select-renderer-before.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/firefox/select-renderer-before.png
new file mode 100644
index 00000000..234b37d7
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/firefox/select-renderer-before.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/webkit/select-after.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/webkit/select-after.png
new file mode 100644
index 00000000..55b241d6
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/webkit/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/webkit/select-initial.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/webkit/select-initial.png
new file mode 100644
index 00000000..74ec35f1
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/webkit/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/webkit/select-items-container.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/webkit/select-items-container.png
new file mode 100644
index 00000000..c79c4012
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/webkit/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/webkit/select-open.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/webkit/select-open.png
new file mode 100644
index 00000000..0f464bfa
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/webkit/select-open.png differ
diff --git a/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/webkit/select-renderer-before.png b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/webkit/select-renderer-before.png
new file mode 100644
index 00000000..74ec35f1
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Selection-Render-Behaviour/darwin/webkit/select-renderer-before.png differ
diff --git a/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Chrome/search-field.png b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Chrome/search-field.png
new file mode 100644
index 00000000..999ba546
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Chrome/search-field.png differ
diff --git a/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Chrome/select-after.png b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Chrome/select-after.png
new file mode 100644
index 00000000..077b23a2
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Chrome/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Chrome/select-dialog.png b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Chrome/select-dialog.png
new file mode 100644
index 00000000..1c29c339
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Chrome/select-dialog.png differ
diff --git a/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Chrome/select-initial.png b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Chrome/select-initial.png
new file mode 100644
index 00000000..871a1087
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Chrome/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Safari/search-field.png b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Safari/search-field.png
new file mode 100644
index 00000000..368f3b44
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Safari/search-field.png differ
diff --git a/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Safari/select-after.png b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Safari/select-after.png
new file mode 100644
index 00000000..5f2933c2
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Safari/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Safari/select-dialog.png b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Safari/select-dialog.png
new file mode 100644
index 00000000..cf1a6c15
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Safari/select-dialog.png differ
diff --git a/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Safari/select-initial.png b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Safari/select-initial.png
new file mode 100644
index 00000000..815db325
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/Mobile-Safari/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/chromium/search-field.png b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/chromium/search-field.png
new file mode 100644
index 00000000..14649c57
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/chromium/search-field.png differ
diff --git a/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/chromium/select-after.png b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/chromium/select-after.png
new file mode 100644
index 00000000..c1ac1695
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/chromium/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/chromium/select-initial.png b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/chromium/select-initial.png
new file mode 100644
index 00000000..1bca99b9
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/chromium/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/chromium/select-items-container.png b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/chromium/select-items-container.png
new file mode 100644
index 00000000..ec810ae7
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/chromium/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/firefox/search-field.png b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/firefox/search-field.png
new file mode 100644
index 00000000..d37d545c
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/firefox/search-field.png differ
diff --git a/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/firefox/select-after.png b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/firefox/select-after.png
new file mode 100644
index 00000000..038e36f6
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/firefox/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/firefox/select-initial.png b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/firefox/select-initial.png
new file mode 100644
index 00000000..b0f882a8
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/firefox/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/firefox/select-items-container.png b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/firefox/select-items-container.png
new file mode 100644
index 00000000..f487dfd1
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/firefox/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/webkit/search-field.png b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/webkit/search-field.png
new file mode 100644
index 00000000..35ea4fea
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/webkit/search-field.png differ
diff --git a/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/webkit/select-after.png b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/webkit/select-after.png
new file mode 100644
index 00000000..e0f8e43f
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/webkit/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/webkit/select-initial.png b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/webkit/select-initial.png
new file mode 100644
index 00000000..8d634d28
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/webkit/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/webkit/select-items-container.png b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/webkit/select-items-container.png
new file mode 100644
index 00000000..326f07b7
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Server-Side-Filtering-Behaviour/darwin/webkit/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Chrome/select-after.png b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Chrome/select-after.png
new file mode 100644
index 00000000..713a2121
Binary files /dev/null and b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Chrome/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Chrome/select-dialog.png b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Chrome/select-dialog.png
new file mode 100644
index 00000000..c23f9efa
Binary files /dev/null and b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Chrome/select-dialog.png differ
diff --git a/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Chrome/select-initial.png b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Chrome/select-initial.png
new file mode 100644
index 00000000..5e8e0c31
Binary files /dev/null and b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Chrome/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Chrome/select-open.png b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Chrome/select-open.png
new file mode 100644
index 00000000..9d78d5ea
Binary files /dev/null and b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Chrome/select-open.png differ
diff --git a/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Safari/select-after.png b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Safari/select-after.png
new file mode 100644
index 00000000..be0fc944
Binary files /dev/null and b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Safari/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Safari/select-dialog.png b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Safari/select-dialog.png
new file mode 100644
index 00000000..da9d8859
Binary files /dev/null and b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Safari/select-dialog.png differ
diff --git a/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Safari/select-initial.png b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Safari/select-initial.png
new file mode 100644
index 00000000..9d39c636
Binary files /dev/null and b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Safari/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Safari/select-open.png b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Safari/select-open.png
new file mode 100644
index 00000000..8a553a68
Binary files /dev/null and b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/Mobile-Safari/select-open.png differ
diff --git a/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/chromium/select-after.png b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/chromium/select-after.png
new file mode 100644
index 00000000..514c4af8
Binary files /dev/null and b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/chromium/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/chromium/select-initial.png b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/chromium/select-initial.png
new file mode 100644
index 00000000..839548c2
Binary files /dev/null and b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/chromium/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/chromium/select-items-container.png b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/chromium/select-items-container.png
new file mode 100644
index 00000000..23b5a8ae
Binary files /dev/null and b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/chromium/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/chromium/select-open.png b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/chromium/select-open.png
new file mode 100644
index 00000000..9bb10b09
Binary files /dev/null and b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/chromium/select-open.png differ
diff --git a/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/firefox/select-after.png b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/firefox/select-after.png
new file mode 100644
index 00000000..49a72f35
Binary files /dev/null and b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/firefox/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/firefox/select-initial.png b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/firefox/select-initial.png
new file mode 100644
index 00000000..0453c563
Binary files /dev/null and b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/firefox/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/firefox/select-items-container.png b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/firefox/select-items-container.png
new file mode 100644
index 00000000..dbabd5d8
Binary files /dev/null and b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/firefox/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/firefox/select-open.png b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/firefox/select-open.png
new file mode 100644
index 00000000..cee32605
Binary files /dev/null and b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/firefox/select-open.png differ
diff --git a/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/webkit/select-after.png b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/webkit/select-after.png
new file mode 100644
index 00000000..c5675425
Binary files /dev/null and b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/webkit/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/webkit/select-initial.png b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/webkit/select-initial.png
new file mode 100644
index 00000000..98fadd10
Binary files /dev/null and b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/webkit/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/webkit/select-items-container.png b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/webkit/select-items-container.png
new file mode 100644
index 00000000..2fb5be3f
Binary files /dev/null and b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/webkit/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/webkit/select-open.png b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/webkit/select-open.png
new file mode 100644
index 00000000..b445286d
Binary files /dev/null and b/.tooling/tests/screenshots/Select---String-Array-Behaviour/darwin/webkit/select-open.png differ
diff --git a/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/Mobile-Chrome/select-after.png b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/Mobile-Chrome/select-after.png
new file mode 100644
index 00000000..35130dc7
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/Mobile-Chrome/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/Mobile-Chrome/select-dialog.png b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/Mobile-Chrome/select-dialog.png
new file mode 100644
index 00000000..8a84c973
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/Mobile-Chrome/select-dialog.png differ
diff --git a/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/Mobile-Chrome/select-initial.png b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/Mobile-Chrome/select-initial.png
new file mode 100644
index 00000000..3bb2ead5
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/Mobile-Chrome/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/Mobile-Safari/select-after.png b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/Mobile-Safari/select-after.png
new file mode 100644
index 00000000..3c3c3b7d
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/Mobile-Safari/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/Mobile-Safari/select-dialog.png b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/Mobile-Safari/select-dialog.png
new file mode 100644
index 00000000..ee036e64
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/Mobile-Safari/select-dialog.png differ
diff --git a/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/Mobile-Safari/select-initial.png b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/Mobile-Safari/select-initial.png
new file mode 100644
index 00000000..a42cdc61
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/Mobile-Safari/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/chromium/select-after.png b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/chromium/select-after.png
new file mode 100644
index 00000000..fb67d919
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/chromium/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/chromium/select-initial.png b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/chromium/select-initial.png
new file mode 100644
index 00000000..5263195f
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/chromium/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/chromium/select-items-container.png b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/chromium/select-items-container.png
new file mode 100644
index 00000000..86eb843d
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/chromium/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/firefox/select-after.png b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/firefox/select-after.png
new file mode 100644
index 00000000..5e4bd324
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/firefox/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/firefox/select-initial.png b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/firefox/select-initial.png
new file mode 100644
index 00000000..ad2a315f
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/firefox/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/firefox/select-items-container.png b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/firefox/select-items-container.png
new file mode 100644
index 00000000..8248e5de
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/firefox/select-items-container.png differ
diff --git a/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/webkit/select-after.png b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/webkit/select-after.png
new file mode 100644
index 00000000..df6c6128
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/webkit/select-after.png differ
diff --git a/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/webkit/select-initial.png b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/webkit/select-initial.png
new file mode 100644
index 00000000..a318d72e
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/webkit/select-initial.png differ
diff --git a/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/webkit/select-items-container.png b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/webkit/select-items-container.png
new file mode 100644
index 00000000..bfb8dfb5
Binary files /dev/null and b/.tooling/tests/screenshots/Select---Visual-and-Behaviour/darwin/webkit/select-items-container.png differ