@Override
  public Map<String, String> getTopicConfig(final String topicName) {
    return topicConfig(topicName, true);
  }
@Test
  public void shouldThrowOnNoneRetryableGetTopicConfigError() {
    // Given:
    when(adminClient.describeConfigs(any()))
        .thenAnswer(describeConfigsResult(new RuntimeException()));

    // When:
    assertThrows(
        KafkaResponseGetFailedException.class,
        () -> kafkaTopicClient.getTopicConfig("fred")
    );
  }