diff --git a/tests/e2e/other/test_master_key_auth_e2e.py b/tests/e2e/other/test_master_key_auth_e2e.py
index 6ab33c9b62a..03ab7c7502c 100644
--- a/tests/e2e/other/test_master_key_auth_e2e.py
+++ b/tests/e2e/other/test_master_key_auth_e2e.py
@@ -35,3 +35,5 @@ class TestMasterKeyAuth:
         assert isinstance(result, UnauthorizedError), (
             f"a token that is not the master key must be rejected with 401, got {result}"
         )
+
+# e2e gate proof 1: tier-1 single test file selection (throwaway)