@Override
  public void connect() {
    MongoCredential mongoCredential = MongoCredential.createCredential(MONGO_USER,
                    DATABASE_NAME,
                    MONGO_PASSWORD.toCharArray());
    MongoClientOptions options = MongoClientOptions.builder().build();
    client = new MongoClient(new ServerAddress(), mongoCredential, options);
    db = client.getDatabase(DATABASE_NAME);
  }
@Test
  void connect() {
    assertDoesNotThrow(() -> mongoDb.connect());
  }