TestTapGalleryButtonAndReturnCancel.java

@Test
public void testTapGalleryButtonAndReturnCancel() {
    // Build a result to return when the activity is launched.
    Intent resultData = new Intent();
    Instrumentation.ActivityResult result =
            new Instrumentation.ActivityResult(Activity.RESULT_CANCELED, resultData);

    // Set up result stubbing when an intent sent to "choose photo" is seen.
    intending(toPackage("com.android.gallery")).respondWith(result);

    onView(withId(R.id.home_gallery_button)).check(matches(withText("Gallery")));
    onView(withId(R.id.home_gallery_button)).perform(click());

    // Check image processor is not reset.
    verify(imageProcessor, never()).resetOriginalImage();
}