Minor test consistency improvement

Author: cosine0

tests/test_environment.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import os
+import re
 import tempfile
 
 import pytest
@@ -15,11 +16,13 @@ def test_possibly_convert_to_windows_style_path():
         # Get an input path in the form "\path\to\tempdir"
         drive, tail = os.path.splitdrive(tmpdirname)
         input_path = tail.replace('/', '\\')
+        assert re.match(r"(\\[^/\\]+)+", input_path)
         revised_path = possibly_convert_to_windows_style_path(input_path)
         assert input_path == revised_path
 
-        # Get path in a form "/c/path/to/tempdir/test"
-        input_path = '/' + drive[0] + tail.replace('\\', '/')
+        # Get an input path in the form "/c/path/to/tempdir"
+        input_path = '/' + drive[0].lower() + tail.replace('\\', '/')
+        assert re.match(r"/[a-z](/[^/\\]+)+", input_path)
         expected = drive.upper() + tail.replace('/', '\\')
         revised_path = possibly_convert_to_windows_style_path(input_path)
         assert expected == revised_path