### Question:
MetaversePluginLifecycleListener implements IPluginLifecycleListener { @Override public void loaded() throws PluginLifecycleException { }  Graph getGraph(); void setGraph( Graph graph ); @Override void init(); @Override void loaded(); @Override void unLoaded();  }### Answer:
@Test public void testLoaded() throws Exception { metaversePluginLifecycleListener.loaded(); }