public boolean isHidden(final String topicName) {
    return hiddenTopicsPattern.matcher(topicName).matches();
  }
@Test
  public void shouldReturnFalseOnNonHiddenTopics() {
    // Given
    final List<String> topicNames = ImmutableList.of(
        KSQL_PROCESSING_LOG_TOPIC,
        "topic_prefix_", "_suffix_topic"
    );

    // Given
    topicNames.forEach(topic -> {
      // When
      final boolean isHidden = internalTopics.isHidden(topic);

      // Then
      assertThat("Should return false on non-hidden topic: " + topic,
          isHidden, is(false));
    });
  }