@Test public void addAndRemoveMenuItems() { TestMenu testMenu = new TestMenu(new MyActivity()); testMenu.add(9, 10, 0, org.robolectric.R.string.ok); TestMenuItem testMenuItem = (TestMenuItem) testMenu.findItem(10); assertThat(testMenuItem.getGroupId()).isEqualTo(9); assertThat(testMenuItem.getItemId()).isEqualTo(10); testMenu.removeItem(10); testMenuItem = (TestMenuItem) testMenu.findItem(10); Assert.assertNull(testMenuItem); }