protected void performReload() throws Exception {

		String name = "Reset Graph";

		DockingActionIf action = getAction(tool, graphPlugin.getName(), name);
		long start = System.currentTimeMillis();

		performAction(action, false);

		Window window = waitForWindow("Reset Graph?");
		pressButtonByText(window, "Yes");

		// wait for the threaded graph layout code
		FGController controller = getFunctionGraphController();
		waitForBusyRunManager(controller);
		waitForAnimation();
		getPrimaryGraphViewer().repaint();
		waitForSwing();

		long end = System.currentTimeMillis();
		Msg.debug(this, "reload time: " + ((end - start) / 1000.0) + "s");
	}
Added this method for cache testing.  No blocks were needed, just needed another
function to have enough to test a function being removed from the cache.
Ghidra/Features/FunctionGraph/src/test.slow/java/ghidra/app/plugin/core/functiongraph/AbstractFunctionGraphTest.java