@Test
public void buildGetObservatinByIdRequest_should_throw_OXFException_if_observation_id_is_missing()
        throws OXFException {

    thrown.expect(OXFException.class);
    thrown.expectMessage("Parameter 'GET_OBSERVATION_BY_ID_OBSERVATION_ID_PARAMETER' is mandatory!");
    addServiceAndVersion();
    builder.buildGetObservationByIDRequest(parameters);
}