unified: Add some same-folder tests

Author: asgerf

unified/ql/test/library-tests/static-name-binding/not-a-package/SiblingFiles/Def1.swift

@@ -0,0 +1,3 @@
+class DeclaredTwiceInSameFolder {} // name=Def1.DeclaredTwiceInSameFolder
+
+class OnlyInDef1 {}

unified/ql/test/library-tests/static-name-binding/not-a-package/SiblingFiles/Def2.swift

@@ -0,0 +1,3 @@
+class DeclaredTwiceInSameFolder {} // name=Def2.DeclaredTwiceInSameFolder
+
+class OnlyInDef2 {}

unified/ql/test/library-tests/static-name-binding/not-a-package/SiblingFiles/SubFolder1/Def.swift

@@ -0,0 +1,3 @@
+class DeclaredTwiceInSubFolder {} // name=Subfolder2.DeclaredTwiceInSubFolder
+
+class OnlyInSubFolder2 {}

unified/ql/test/library-tests/static-name-binding/not-a-package/SiblingFiles/SubFolder2/Def.swift

@@ -0,0 +1,3 @@
+class DeclaredTwiceInSubFolder {} // name=Subfolder1.DeclaredTwiceInSubFolder
+
+class OnlyInSubFolder1 {}

unified/ql/test/library-tests/static-name-binding/not-a-package/SiblingFiles/Use.swift

@@ -0,0 +1,9 @@
+private protocol P {
+    let x1: DeclaredTwiceInSameFolder; // unresolved; ambiguous reference
+    let x2: OnlyInDef1; // $ access=OnlyInDef1
+    let x3: OnlyInDef2; // $ access=OnlyInDef2
+
+    let x4: DeclaredTwiceInSubFolder; // unresolved; ambiguous reference
+    let x5: OnlyInSubFolder1; // $ access=OnlyInSubFolder1
+    let x6: OnlyInSubFolder2; // $ access=OnlyInSubFolder2
+}