chore: restore original directory structure (project under code-review-graph-main/)

code-review-graph-main/tests/fixtures/caller_example.py

@@ -0,0 +1,8 @@
+"""Fixture that imports and calls functions from sample_python."""
+
+from sample_python import create_auth_service
+
+
+def setup_and_run():
+    service = create_auth_service()
+    return service