simplified reset

src/ad_test/test_file_change.py

@@ -11,15 +11,9 @@ from git import Repo
 from .utils import get_load_order
 
 
-def reset_file(changed: Path):
-    for p in Path(__file__).parents:
-        if p.with_name('.git').exists():
-            root = p.parent
-            break
-
-    repo = Repo(root)
+def reset_file(repo: Repo, changed: Path):
     if not changed.is_absolute():
-        changed = root / changed
+        changed = Path(repo.working_tree_dir) / changed
     repo.git.checkout('HEAD', '--', changed)
 
 
@@ -43,5 +37,5 @@ def test_file(ad: AppDaemon, caplog: pytest.LogCaptureFixture, config_repo: Repo
         module_load_order = get_load_order(caplog)
         assert module_load_order == ['food.meal', 'restaurant']
 
-        reset_file(module_file)
+        reset_file(config_repo, module_file)
         ad.loop.run_until_complete(asyncio.sleep(1.0))