@Test
  public void shouldConfigureHeadersDisabled() {
    UniVocityFixedWidthDataFormat dataFormat =
        new UniVocityFixedWidthDataFormat()
            .setFieldLengths(new int[] {1, 2, 3})
            .setHeadersDisabled(true);

    assertTrue(dataFormat.isHeadersDisabled());
    assertNull(dataFormat.createAndConfigureWriterSettings().getHeaders());
    assertNull(dataFormat.createAndConfigureParserSettings().getHeaders());
  }