Now the PAC only allow cancel test with 2 VATs, TCM970625MB1 and MAG041126GT8. How the VAT is related with the certificate file, was updated the demo files that are provided in the documentation to allow test the flow complete. Closes #297
https://docs.google.com/document/d/17dRCx09_TjJepXjvfXWmb_UMdoBYmP_63ztvv7qq6nk/edit#heading=h.2cgkkd8178p5