Add 100% coverage of Reolink host.py (#124577)

* Add 100% host test coverage

* Add missing test

homeassistant/components/reolink/host.py

@@ -437,7 +437,15 @@ class ReolinkHost:
             self._long_poll_task.cancel()
             self._long_poll_task = None
 
-        await self._api.unsubscribe(sub_type=SubType.long_poll)
+        try:
+            await self._api.unsubscribe(sub_type=SubType.long_poll)
+        except ReolinkError as err:
+            _LOGGER.error(
+                "Reolink error while unsubscribing from host %s:%s: %s",
+                self._api.host,
+                self._api.port,
+                err,
+            )
 
     async def stop(self, event=None) -> None:
         """Disconnect the API."""
@@ -511,9 +519,7 @@ class ReolinkHost:
             )
             if sub_type == SubType.push:
                 await self.subscribe()
-            else:
-                await self._api.subscribe(self._webhook_url, sub_type)
-            return
+                return
 
         timer = self._api.renewtimer(sub_type)
         _LOGGER.debug(