protected void disposeFrontEndTool() {
		if (frontEndTool == null) {
			return;
		}

		AbstractGuiTest.runSwing(() -> frontEndTool.close());
		frontEndTool = null;
		removeFrontEndFromSystem();
	}
Closes the given tool.  This method is asynchronous, so you must wait for the Swing thread
to perform the work yourself.  Watch out for modal dialogs.
@param toolToClose The tool to close.
Ghidra/Features/Base/src/main/java/ghidra/test/TestEnv.java