MarkupPluginManagerImpl manager = createManagerForOnePlugin(config);
InvokeAttributes attrs = new InvokeAttributes();
attrs.setName(pluginName);
MarinerRequestContext requestContext = createMarinerRequestContext();
MarkupPlugin fromManager =
manager.getMarkupPlugin(requestContext, attrs.getName());
assertNotNull("Unexpected null value for plugin", fromManager);
assertTrue("Expected an instance of ManagerTestMarkupPlugin.",