AndroidJUnitRunner - https://android.jlelse.eu/instrumentation-testing-with-dagger2-retrofit2-mockwebserver-android-4cca7cb7373c

UiRunner.kt

open class UiRunner : AndroidJUnitRunner() {

    override fun onCreate(arguments: Bundle?) {
        StrictMode.setThreadPolicy(StrictMode.ThreadPolicy.Builder().permitAll().build())
        super.onCreate(arguments)
    }

    override fun newApplication(cl: ClassLoader?, className: String?, context: Context?): Application {
        return super.newApplication(cl, UiGitHubDelegate::class.java.name, context)
    }
}