@Runwith(AndroidJUnitRunner:class.java)
class YourTest {

    @get: Rule
    val intentRule = CustomIntentRule(
            yourActivity,
            beforeLaunch = {
                App.kodein.addConfig {
                    //(App.Kodein is a ConfigurableKodein)
                    bind<ClassYouWishToMock>(overrides = true) with singleton {
                        YourMock()
                    }

                }
            }
    )

}

class CustomIntentRule<T : Activity>(activityClass: Class<T>,
                                     val beforeLaunch: (() -> Unit)? = null

) : IntentsTestRule<T>(activityClass) {


    override fun beforeActivityLaunched() {
        super.beforeActivityLaunched()
        beforeLaunch?.invoke()
    }

    override fun getActivityIntent(): Intent {
        val customIntent = Intent()
        return customIntent
    }

    override fun afterActivityLaunched() {
        super.afterActivityLaunched()
       
    }

    override fun afterActivityFinished() {
        super.afterActivityFinished()
    }

}