Add env var to run completion installation tests

scripts/test.sh

@@ -7,5 +7,7 @@ set -x
 export TERMINAL_WIDTH=3000
 # Force disable terminal for tests inside of pytest, takes precedence over GITHUB_ACTIONS env var
 export _TYPER_FORCE_DISABLE_TERMINAL=1
+# Run autocompletion install tests in the CI
+export _TYPER_RUN_INSTALL_COMPLETION_TESTS=1
 # It seems xdist-pytest ensures modified sys.path to import relative modules in examples keeps working
 pytest --cov --cov-report=term-missing -o console_output_style=progress --numprocesses=auto ${@}

tests/utils.py

@@ -1,4 +1,5 @@
 import sys
+from os import getenv
 
 import pytest
 
@@ -25,3 +26,8 @@
 needs_bash = pytest.mark.skipif(
     not shellingham or not shell or "bash" not in shell, reason="Test requires Bash"
 )
+
+requires_completion_permission = pytest.mark.skipif(
+    not getenv("_TYPER_RUN_INSTALL_COMPLETION_TESTS", False),
+    reason="Test requires permission to run completion installation tests",
+)