fix variation

tests/test_integration.py

@@ -239,15 +239,19 @@ class TestConnectionManagement:
         assert "connect" in str(exc_info.value).lower()
 
     def test_stop_task_sends_default_enable(self, connected_controller, mock_serial):
-        """stop_task should send DEFAULT_ENABLE (0x2222)."""
+        """stop_task should send DEFAULT_ENABLE (0x2222) first, then DECODE_ENABLE (0x1111)."""
         mock_serial.write.reset_mock()
         connected_controller.stop_task()
 
-        assert mock_serial.write.called
-        sent_data = mock_serial.write.call_args[0][0]
-        # DEFAULT_ENABLE: 0x2222 → flipped to bytes 0x22 0x22
-        assert sent_data[0] == 0x22
-        assert sent_data[1] == 0x22
+        assert mock_serial.write.call_count >= 2
+        # First call: DEFAULT_ENABLE 0x2222 → flipped bytes 0x22 0x22
+        first_call = mock_serial.write.call_args_list[0][0][0]
+        assert first_call[0] == 0x22
+        assert first_call[1] == 0x22
+        # Second call: DECODE_ENABLE 0x1111 → flipped bytes 0x11 0x11
+        second_call = mock_serial.write.call_args_list[1][0][0]
+        assert second_call[0] == 0x11
+        assert second_call[1] == 0x11
 
     def test_reset_sends_default_enable(self, connected_controller, mock_serial):
         """reset() should also send DEFAULT_ENABLE."""