vars+facts: use bwrap only if supported

pkgs/clan-cli/pyproject.toml

@@ -28,12 +28,12 @@ clan_cli = [
 ]
 
 [tool.pytest.ini_options]
-testpaths = "tests"
+testpaths = ["tests", "clan_cli"]
 faulthandler_timeout = 60
 log_level = "DEBUG"
 log_format = "%(message)s"
 addopts = "--cov . --cov-report term --cov-report html:.reports/html --no-cov-on-fail --durations 5 --color=yes --new-first -W error -n auto" # Add --pdb for debugging
-norecursedirs = "tests/helpers"
+norecursedirs = ["clan_cli/tests/helpers", "clan_cli/nixpkgs"]
 markers = ["impure", "with_core"]
 filterwarnings = "default::ResourceWarning"