Removed by sugestion of degiz

(https://github.com/degiz)
https://github.com/RasaHQ/rasa/pull/5611/files/afc0263ff656f5fb00e078a390f77520640ff178

Author: lluchini

tests/core/test_actions.py

@@ -510,21 +510,6 @@ async def test_action_session_start_without_slots(
     assert events == [SessionStarted(), ActionExecuted(ACTION_LISTEN_NAME)]
 
 
-async def test_action_session_start_with_metadata(
-    default_channel: CollectingOutputChannel,
-    template_nlg: TemplatedNaturalLanguageGenerator,
-    template_sender_tracker: DialogueStateTracker,
-    default_domain: Domain,
-):
-    template_sender_tracker.events.append(
-        SessionStarted(metadata={"metadataTestKey": "metadataTestValue"})
-    )
-
-    await test_action_session_start_without_slots(
-        default_channel, template_nlg, template_sender_tracker, default_domain
-    )
-
-
 @pytest.mark.parametrize(
     "session_config, expected_events",
     [