Covering ECM elements from Telematics

[gatemezing]

We need to make sure to cover this list of ECM Certificate properties from telematics administrative information present in some exchange messages:

RollingStockDataset.AdministrativeDataSet.ECMCertificate.EINNumber.countryCodeISO
RollingStockDataset.AdministrativeDataSet.ECMCertificate.EINNumber.typeDocumentEIN
RollingStockDataset.AdministrativeDataSet.ECMCertificate.EINNumber.counterAcreditedRecognizedBody
RollingStockDataset.AdministrativeDataSet.ECMCertificate.EINNumber.EINYear
RollingStockDataset.AdministrativeDataSet.ECMCertificate.EINNumber.EINCounter
RollingStockDataset.AdministrativeDataSet.ECMCertificate.ECMCertificateValidFrom
RollingStockDataset.AdministrativeDataSet.ECMCertificate.ECMCertificateValidTo
RollingStockDataset.AdministrativeDataSet.ECMCertificate.coversTankWagonsForDangerousGoods
RollingStockDataset.AdministrativeDataSet.ECMCertificate.coversNonTankWagonsForDangerousGoods
RollingStockDataset.AdministrativeDataSet.ECMCertificate.ECMCertificateSuspended
RollingStockDataset.AdministrativeDataSet.ECMCertificate.dateECMCertificateSuspended

[Certiman]

This must be solved by extending the vpa:DocumentedEvidence class, as has been done with era:ECCertificate here. Can be assigned to me.