### Question:
ExtensionService implements FalconService { public static ExtensionStore getExtensionStore() { return ExtensionStore.get(); }  @Override String getName(); @Override void init(); @Override void destroy(); static ExtensionStore getExtensionStore(); static final String SERVICE_NAME; }### Answer:
@Test public void testGetExtensionStore() throws Exception { Assert.assertNotNull(ExtensionService.getExtensionStore()); }