Fix BleBox action tests to assert library calls instead of faking state

[bkobus-bbx]

Proposed change

Action tests for BleBox entities (switch/cover/climate/light/sensor) faked state changes via side_effect instead of verifying the library was called correctly. This PR replaces those with assert_called_once_with() on the library mock.

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New integration (thank you!)
• New feature (which adds functionality to an existing integration)
• Deprecation (breaking change to happen in the future)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Additional information

• This PR is related to issue: Add quality scale (gold) to Blebox #175368 (comment)

Checklist

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[home-assistant]

Hey there @bbx-a, @swistakm, mind taking a look at this pull request as it has been labeled with an integration (blebox) you are listed as a code owner for? Thanks!

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[Copilot]

Pull request overview

This pull request updates BleBox integration action tests to stop faking device state changes via mock side effects and instead verify that the BleBox library methods are invoked with the expected arguments.

Changes:

• Replace state-based assertions in BleBox action tests with mock call assertions (e.g., assert_called_once_with()).
• Simplify sensor “None value” tests by setting native_value directly rather than via async_update side effects.
• Refactor several climate/cover/light action tests to focus on verifying library calls from Home Assistant services.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
tests/components/blebox/test_switch.py	Switch action tests now assert BleBox switch library calls instead of mutating is_on via side effects.
tests/components/blebox/test_sensor.py	Sensor “None value” behavior is tested by setting native_value directly.
tests/components/blebox/test_light.py	Light action tests now assert library calls; effect handling adds a negative assertion for API commands.
tests/components/blebox/test_cover.py	Cover action tests now assert library calls for open/close/stop/position/tilt operations.
tests/components/blebox/test_climate.py	Climate action tests now assert BleBox library calls for HVAC mode and temperature setting.