@Test
  public void testConvertToString() throws Exception {
    LOGGER.info("convert long value to date string");

    String value = DateConverterHelper.convertToString(ASSERT_DATE_LONG);
    Assert.assertEquals("Result is not as expected.", ASSERT_DATE_STRING, value);
  }
  @Test
  public void testConvertDateToStringToLongAndBackToDate() throws Exception {
    LOGGER.info("convert date to string to long and back to date");

    String stringValue = DateConverterHelper.convertToString(ASSERT_DATE);
    long longValue = DateConverterHelper.convertToLong(stringValue);
    Date resultDate = DateConverterHelper.convertToDate(longValue);

    Assert.assertEquals("Result is not as expected.", ASSERT_DATE, resultDate);
  }