Bug 289090 [CommonNavigator] labels are missing
tests/org.eclipse.ui.tests.navigator/src/org/eclipse/ui/tests/navigator/extension/TestLabelProviderRed.java
public static TestLabelProviderRed instance;
	protected void initSubclass() {
		backgroundColor = Display.getCurrent().getSystemColor(
				SWT.COLOR_RED);
		backgroundColorName = "Red";
		font = new Font(Display.getDefault(), boldFontData);
		image = PlatformUI.getWorkbench().getSharedImages().getImage(
				ISharedImages.IMG_ELCL_REMOVE);
		instance = this;
	}
}