### Question:
MetaStoreInitListener implements Configurable { public MetaStoreInitListener(Configuration config){ this.conf = config; } MetaStoreInitListener(Configuration config); abstract void onInit(MetaStoreInitContext context); @Override Configuration getConf(); @Override void setConf(Configuration config);  }### Answer:
@Test public void testMetaStoreInitListener() throws Exception { Assert.assertTrue(DummyMetaStoreInitListener.wasCalled); }