Fix ruff-format: wrap long assert line in test_acp_agent.py

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: simonrosenberg

tests/sdk/agent/test_acp_agent.py

@@ -1450,7 +1450,9 @@ def _fake_run_async(_coro, **_kwargs):
             agent.step(conversation, on_event=events.append)
 
         assert call_count == 2  # First failed, second succeeded
-        assert conversation.state.execution_status == ConversationExecutionStatus.FINISHED
+        assert (
+            conversation.state.execution_status == ConversationExecutionStatus.FINISHED
+        )
         assert len(events) == 3  # MessageEvent, ActionEvent, ObservationEvent
         assert "Success after retry" in events[0].llm_message.content[0].text