@Test
public void setRoot_clearsSplashLayout() {

    disableModalAnimations(child1);
    FrameLayout content = activity.findViewById(android.R.id.content);
    assertThat(content.getChildCount()).isEqualTo(4); // 3 frame layouts and the default splash layout
    uut.setRoot(child2, new CommandListenerAdapter());
    assertThat(content.getChildCount()).isEqualTo(3);
}