PushIntegrationtest.kt

class PushIntegrationTest {

  lateinit var pushClient: PushServerClient
  lateinit var thisDeviceToken: String

  @get:Rule
  val pushRule = PushAwaitRule()

  @Before
  fun setUp() {
    pushClient = PushServerClient.create(apiKey())

    val tokenTask = FirebaseMessaging.getInstance().token
    thisDeviceToken = Tasks.await(tokenTask)
  }

  @Test
  fun testPushIntegrationFromSettingsToAbout() {
    DeepLinkLaunchTest.launchDeepLink("https://github.com/settings") // just launches screen to start from

    pushRule.onViewAwaitPush() // makes Espresso wait for push to arrive
    sendDeepLinkPush("https://github.com/about") // Triggers the push through FCM backend

    onView(withText("by Josef Raska")).check(matches(isDisplayed())) // Asserts that the expected about screen was launched
  }
}