protected void cancel_Yes(TestChangeProgramScript script) throws Exception {
		Window window = waitForWindow("Cancel?");
		pressButtonByText(window, "Yes");

		// debug
		printOpenWindows();

		boolean success = script.waitForFinish();
		assertTrue("Timed-out waiting for cancelled script to complete", success);
	}
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