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