protected void installPlugins() throws PluginException {
		tool.addPlugin(CodeBrowserPlugin.class.getName());
		tool.addPlugin(FunctionGraphPlugin.class.getName());

		graphPlugin = env.getPlugin(FunctionGraphPlugin.class);
		codeBrowser = env.getPlugin(CodeBrowserPlugin.class);
	}
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