Bug 299210 [CommonNavigator] Test improvements
tests/org.eclipse.ui.tests.navigator/src/org/eclipse/ui/tests/navigator/LabelProviderTest.java
TEST_CONTENT_OVERRIDE2 }, false);
		_contentService.getActivationService()
				.activateExtensions(
						new String[] { TEST_CONTENT_OVERRIDDEN2,
								TEST_CONTENT_OVERRIDE2 }, true);
		refreshViewer();
		TreeItem[] rootItems = _viewer.getTree().getItems();
		checkItemsAll(rootItems, TestLabelProviderCyan.instance);
	}
	
	
	
	
	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());
		
		checkItems(rootItems, TestLabelProviderBlank.instance);
	}
}