@Test
fun signInUserWithInvalidEmail() {
    goToSignIn()
    AcceptanceHelper.updateValidationTextView(R.string.ui_data_attribute_email, "kokojambo@mail.ru")
    AcceptanceHelper.updateValidationTextView(R.string.ui_data_attribute_password, VALID_PASSWORD)
    AcceptanceHelper.clickOnButtonInLayout(R.id.mainSignButton, R.string.common_signin_button_text, R.id.inputLayout)
    val idlingResource = DialogIdlingResource()
    registerDialogIdlingResource()
    unregisterDialogIdlingResource()
}
    private fun registerDialogIdlingResource() {
    val instrumentation = InstrumentationRegistry.getInstrumentation()
    idlingResource = DialogIdlingResource()
    Espresso.registerIdlingResources(idlingResource)
}


private fun unregisterDialogIdlingResource() {
    Espresso.unregisterIdlingResources(idlingResource)
}

class DialogIdlingResource(private val waitTimeSeconds: Int = 5) : IdlingResource {
private var resourceCallback: IdlingResource.ResourceCallback? = null
private var startTime = -1L

override fun getName(): String {
    return DialogIdlingResource::class.java.name
}

override fun isIdleNow(): Boolean {
    if (startTime < 0) {
        startTime = System.currentTimeMillis()
    }
    val timeOut = System.currentTimeMillis() - waitTimeSeconds * 1000 > startTime
    if (timeOut)
        throw TimeoutException("error")
    val idle = !isDialogRunning
    if (idle && resourceCallback != null) {
        resourceCallback!!.onTransitionToIdle()
    }
    return idle
}

override fun registerIdleTransitionCallback(resourceCallback: IdlingResource.ResourceCallback) {
    this.resourceCallback = resourceCallback
}

private val isDialogRunning: Boolean
    get() {
        try {
            onView(Matchers.allOf(withId(R.id.titleTextView), ViewMatchers.withText("Warning")))
                    .check(ViewAssertions.matches(isDisplayed()))
        } catch (e: NoMatchingViewException) {
            e.printStackTrace()
            System.out.println("some text")
        }
        return true
    }