Throwable getException() {
			return exception;
		}
Call this version of {@link #runSwing(Runnable)} when you expect your runnable <b>may</b>
throw exceptions

@param callback the runnable code snippet to call
@throws Exception any exception that is thrown on the Swing thread
Ghidra/Framework/Gui/src/main/java/generic/test/AbstractGuiTest.java