Adapt test asserts

Author: bouwew

tests/test_usb.py

@@ -1977,8 +1977,8 @@ async def load_callback(event: pw_api.NodeEvent, mac: str) -> None:  # type: ign
             assert await test_sed.set_awake_duration(0)
         with pytest.raises(ValueError):
             assert await test_sed.set_awake_duration(256)
-        assert await test_sed.set_awake_duration(10)
-        assert test_sed.sed_config_task_scheduled
+        assert not await test_sed.set_awake_duration(10)
+        assert not test_sed.sed_config_task_scheduled
         assert await test_sed.set_awake_duration(15)
         assert test_sed.sed_config_task_scheduled
         assert test_sed.battery_config.awake_duration == 15