Bug 287103 [CommonNavigator] contentServiceLabelProvider doesn't properly implement overrides
tests/org.eclipse.ui.tests.navigator/src/org/eclipse/ui/tests/navigator/LabelProviderTest.java
TreeItem[] rootItems = _viewer.getTree().getItems();
		if (!rootItems[0].getText().startsWith("Cyan"))
			fail("Wrong text: " + rootItems[0].getText());
		assertEquals(TestLabelProviderCyan.getTestColor(), rootItems[0]
				.getBackground(0));
	}
	
	
	
	public void testUsingOverriddenLabelProvider() throws Exception {
		_contentService.bindExtensions(new String[] { TEST_CONTENT_OVERRIDDEN2,
				TEST_CONTENT_OVERRIDE2_BLANK }, true);
		_contentService.getActivationService().activateExtensions(
				new String[] { TEST_CONTENT_OVERRIDDEN2, TEST_CONTENT_OVERRIDE2_BLANK }, true);
		refreshViewer();
		
		TreeItem[] rootItems = _viewer.getTree().getItems();
		
		
		
		
		if (!rootItems[0].getText().startsWith("Blue"))
			fail("Wrong text: " + rootItems[0].getText());
		
		assertEquals(TestLabelProviderBlank.getTestColor(), rootItems[0]
				.getBackground(0));
	}
	
}