Remove file name invalid in Windows

Author: gshank

tests/functional/schema_tests/test_custom_test_config.py

@@ -204,6 +204,3 @@ def test_same_key_error(self, project):
 
         # Assert that the error message contains the expected text
         assert "Test cannot have the same key at the top-level and in config" in exception_message
-
-        # Assert that the error message contains the context of the error
-        assert "models/same_key_error.yml" in exception_message