diff --git a/tests/unit/test_compose.py b/tests/unit/test_compose.py
index 17cbe1a..59df6f4 100644
--- a/tests/unit/test_compose.py
+++ b/tests/unit/test_compose.py
@@ -267,7 +267,8 @@ class TestAgentAlwaysPresent(unittest.TestCase):
     def test_agent_depends_only_on_sidecars(self):
         # Bundle shape: the init supervisor owns intra-bundle daemon
         # ordering, so the agent waits on the bundle container alone.
-        for kwargs in [{}, {"with_git": True, "with_egress": True, "supervise": True}]:
+        cases: list[dict[str, Any]] = [{}, {"with_git": True, "with_egress": True, "supervise": True}]
+        for kwargs in cases:
             with self.subTest(**kwargs):
                 s = bottle_plan_to_compose(_plan(**kwargs))["services"]["agent"]
                 self.assertEqual(["sidecars"], s["depends_on"])