### Question:
SecretsSerializer { public abstract void deleteSecrets(String name);  static synchronized SecretsSerializer get(); abstract void loadSecretsMap(Map<String, Secrets> secretsMap); abstract void serializeSecrets(String name, Secrets secrets); abstract void deleteSecrets(String name);  }### Answer:
@Test public void testDeleteSecrets() throws Exception { SecretsSerializer serializer = new KeyStoreSecretsSerializer(conf); serializer.deleteSecrets(KEY_ALIAS); }