public static String getHeader(boolean qOption) {
    return qOption ? ALL_HEADER : SUMMARY_HEADER;
  }
@Test
  public void testGetHeaderWithQuota() {
    String header = "       QUOTA       REM_QUOTA     SPACE_QUOTA "
        + "REM_SPACE_QUOTA    DIR_COUNT   FILE_COUNT       CONTENT_SIZE ";
    assertEquals(header, ContentSummary.getHeader(true));
  }