chore: manually set environ variable in pytest demos_folder fixture so that it remains isolated from CI interactions

Author: 56kyle

tests/conftest.py

@@ -1,5 +1,5 @@
 """Fixtures used in all tests for cookiecutter-robust-python."""
-
+import os
 import subprocess
 from pathlib import Path
 from typing import Any
@@ -21,7 +21,9 @@
 @pytest.fixture(scope="session")
 def demos_folder(tmp_path_factory: TempPathFactory) -> Path:
     """Temp Folder used for storing demos while testing."""
-    return tmp_path_factory.mktemp("demos")
+    path: Path = tmp_path_factory.mktemp("demos")
+    os.environ["COOKIECUTTER_ROBUST_PYTHON__DEMOS_CACHE_FOLDER"] = str(path)
+    return path
 
 
 @pytest.fixture(scope="session")