Bug 287103 [CommonNavigator] contentServiceLabelProvider doesn't properly implement overrides
tests/org.eclipse.ui.tests.navigator/src/org/eclipse/ui/tests/navigator/extension/TestLabelProviderBlue.java
public static Color backgroundColor = Display.getCurrent().getSystemColor(
			SWT.COLOR_BLUE);
	
	public static Color getTestColor() {
		return backgroundColor;
	}
	public Color getBackground(Object element) {
		return backgroundColor;
	}
	public String getColorName() {
		return "Blue";
	}
}