diff --git a/tests/test_client.py b/tests/test_client.py
index 4109825..3c01426 100644
--- a/tests/test_client.py
+++ b/tests/test_client.py
@@ -60,6 +60,7 @@ async def test_get(client, protocol, response_data, expected_result, variable):
 @pytest.mark.parametrize(
     "response_data, expected_result, command",
     [
+        (b"\xff\xff\xff", True, "lowpower 0"),
         (b"\x66\x05\xff\xff\xff", 5, "sendme"),
         (b"\x66\x05\xff\xff\xff\01\xff\xff\xff\xff\xff\xff", 5, "sendme"),
     ],