@Test
public void testDateTimeSummerTime() {

    final DataObject dateInSummerTimeDataObject = this.dlmsHelper.asDataObject(this.dateTimeSummerTime());
    assertThat(dateInSummerTimeDataObject.isCosemDateFormat()).isTrue();
    assertThat(dateInSummerTimeDataObject.getValue() instanceof CosemDateTime).isTrue();
    final CosemDateTime cosemDateTime = dateInSummerTimeDataObject.getValue();
    assertThat(cosemDateTime.encode()).isEqualTo(this.byteArraySummerTime());
}