refactor: test mock helpers #1878

Job	Run time
Prepare CI	4s
Lint App / biomejs	21s
Tests / Run Tests	2m 57s
Tests / SonarQube Cloud Analysis	1m 16s
Build / Build Windows (electron-builder)	2m 20s
Build / Build macOS (electron-builder)	3m 59s
Build / Build Linux (electron-builder)	4m 11s
	15m 8s

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