This Gist is a part of the Article: https://prokash-sarkar.medium.com/unit-testing-with-dagger-2-brewing-a-potion-with-fakes-mocks-and-custom-rules-in-android-7f0ab7b22cb

TestBaseApplication.kt

class TestBaseApplication : BaseApplication() {
    override fun initializeDaggerComponent(): AppComponent {
        val component: TestAppComponent = DaggerTestAppComponent.factory()
            .create(this)
        component.inject(this)
        return component
    }
}