@Large
@RunWith(AndroidJUnit4.class)
public class SimpleIntentTest {

    private static final String MESSAGE = "This is a test";
    private static final String PACKAGE_NAME = "com.example.myfirstapp";

    /* Instantiate an IntentsTestRule object. */
    @Rule
    public IntentsTestRule<MainActivity> intentsRule =
            new IntentsTestRule<>(MainActivity.class);

    @Test
    public void verifyMessageSentToMessageActivity() {

        // Types a message into a EditText element.
        onView(withId(R.id.edit_message))
                .perform(typeText(MESSAGE), closeSoftKeyboard());

        // Clicks a button to send the message to another
        // activity through an explicit intent.
        onView(withId(R.id.send_message)).perform(click());

        // Verifies that the DisplayMessageActivity received an intent
        // with the correct package name and message.
        intended(allOf(
                hasComponent(hasShortClassName(".DisplayMessageActivity")),
                toPackage(PACKAGE_NAME),
                hasExtra(MainActivity.EXTRA_MESSAGE, MESSAGE)));

    }
}