* Add data coordinator to incomfort integration
* Remove unused code and redundant comment, move entity class
* Use freezer
* Cleanup snapshot
* Use entry.runtime_data
* Use freezer, use mock_config_entry
* Use tick
* Use ConfigEntryError while we do not yet support a re-auth flow, update tests
* Use tick with async_fire_time_changed
* Prelimenary tests for incomfort integration
* Use snapshot_platform
* Use helper
* Ensure the device name is set in device info
* Move snapshot tests to platform test modules
* Move unused snapshot file
* Naming and docstr
* update snapshots
* cleanup snapshots
* Add water heater tests
