* Significantly speed up single entity/response service calls
Since the majority of service calls are single entity, we can
avoid creating tasks in this case. Since the multi-entity
service calls always check the result and raise, we can switch
the asyncio.wait to asyncio.gather
* Significantly speed up single entity/response service calls
Since the majority of service calls are single entity, we can
avoid creating tasks in this case. Since the multi-entity
service calls always check the result and raise, we can switch
the asyncio.wait to asyncio.gather
* revert
* cannot be inside pytest.raises
* one more
* Update homeassistant/helpers/service.py
