Extend device_test(), make it possible to run async_update() alone

Tnx @CoMPaTech

Author: bouwew

tests/test_smile.py

@@ -375,14 +375,15 @@ def show_setup(location_list, device_list):
                 assert False
 
     @pytest.mark.asyncio
-    async def device_test(self, smile=pw_smile.Smile, testdata=None):
+    async def device_test(self, smile=pw_smile.Smile, testdata=None, initialize=True):
         """Perform basic device tests."""
         _LOGGER.info("Asserting testdata:")
         bsw_list = ["binary_sensors", "central", "climate", "sensors", "switches"]
         # Make sure to test with the day set to Sunday, needed for full testcoverage of schedules_temps()
         with freeze_time("2022-05-16 00:00:01"):
-            await smile._full_update_device()
-            smile.get_all_devices()
+            if initialize:
+                await smile._full_update_device()
+                smile.get_all_devices()
             data = await smile.async_update()
 
         if "heater_id" in data.gateway:
@@ -3557,7 +3558,6 @@ async def test_adam_plus_jip(self):
             good_schedules=[None],
         )
         assert result
-
         await smile.close_connection()
         await self.disconnect(server, client)