@Override
			public void taskCompleted(Task t) {
				latch.countDown();
			}
Run the last script by pressing the last script button and return output.

@param taskName name for the task listener
@return script output written to the console
@throws Exception on failure, e.g. timeout
Ghidra/Features/Base/src/test.slow/java/ghidra/app/plugin/core/script/AbstractGhidraScriptMgrPluginTest.java