@Test
public void shouldConvertIeTime56ToTimestamp() {

    // Arrange
    final long timestamp = ZonedDateTime.now(ZoneOffset.UTC).toInstant().toEpochMilli();
    final TimestampMeasurementElementDto expected = new TimestampMeasurementElementDto(timestamp);
    final IeTime56 source = new IeTime56(timestamp);
    // Act
    final TimestampMeasurementElementDto actual = this.converter.convert(source, null, null);
    // Assert
    assertThat(actual).isEqualTo(expected);
}