@Test
public void testFromByteArrayUnspecifiedTime() throws Exception {

    final CosemDateTimeDto cosemDateTime = this.dlmsHelper.fromDateTimeValue(this.byteArrayUnspecifiedTime());
    assertThat(cosemDateTime.isDateTimeSpecified()).isFalse();
    assertThat(cosemDateTime.isLocalDateSpecified()).isFalse();
    assertThat(cosemDateTime.isLocalDateTimeSpecified()).isFalse();
    assertThat(cosemDateTime.isLocalTimeSpecified()).isFalse();
    assertThat(cosemDateTime.isDeviationSpecified()).isFalse();
    assertThat(cosemDateTime.asDateTime()).isNull();
}