* Change config entry state to an enum
* Allow but deprecate EntryState str equality comparison
* Test fixes
* Rename to ConfigEntryState
* Remove str comparability backcompat
* Update new occurrences of strs cropped up during review
* Add tests for states of the sensors
* Revert async_update method
* Tests improvement
* Fix icon name
* Tests improvement
* Simplify tests
* Test improvement
* Patch the library instead of the coordinator
* Suggested change
* Remove return_value