FakeRocketModule.kt

@Module
@TestInstallIn(
    components = [SingletonComponent::class],
    replaces = [RocketModule::class]
)
internal object FakeRocketModule {

    @Provides
    fun provideFakeGetRocketsUseCase(): GetRocketsUseCase {
        return GetRocketsUseCase {
            flowOf(
                Result.success(generateTestRocketsFromDomain())
            )
        }
    }
    
    (...)
}