Use tinker_max_boiler output

Author: bouwew

tests/test_adam.py

@@ -324,7 +324,8 @@ async def test_connect_adam_plus_anna_new(self):
 
         await self.tinker_gateway_mode(smile)
         await self.tinker_regulation_mode(smile)
-        await self.tinker_max_boiler_temp(smile)
+        tinkered = await self.tinker_max_boiler_temp(smile)
+        assert tinkered
 
         # Now change some data and change directory reading xml from
         # emulating reading newer dataset after an update_interval