private void copyToolTwoLabels() {
		ClipboardPlugin plugin = getPlugin(toolTwo, ClipboardPlugin.class);
		ClipboardContentProviderService service = getClipboardService(plugin);
		DockingAction action = getLocalAction(service, "Copy Special", plugin);
		assertNotNull(action);
		assertEnabled(action, cb2.getProvider());

		runSwing(
			() -> plugin.copySpecial(service, CodeBrowserClipboardProvider.LABELS_COMMENTS_TYPE));
	}
Test the plugin that deals with cut/paste comments and labels
Ghidra/Features/Base/src/test.slow/java/ghidra/app/plugin/core/clipboard/CopyPasteCommentsTest.java