def test_comm_patient_to_prov
    patient = build_record_from_xml('test/fixtures/cat1_fragments/comm_patient_to_provider_fragment.xml')
    communication = patient.communications.first
    expected_start = HealthDataStandards::Util::HL7Helper.timestamp_to_integer('20101027165345')
    assert communication.codes['SNOMED-CT'].include?('315640000')