
PASS MerchantValidationEvent can be constructed in secure-context. 
PASS MerchantValidationEvent can be constructed with an EventInitDict, even if not trusted. 
PASS MerchantValidationEvent can be dispatched, even if not trusted. 
PASS Must have a validationURL IDL attribute, which is initialized with to the validationURL dictionary value. 
PASS Must throw TypeError if initialized with an invalid URL. 
PASS Relative validationURLs use the document as the base. 
PASS Must have a methodName IDL attribute, which is initialized with to the methodName dictionary value. 
PASS When no methodName is passed, methodName attribute defaults to the empty string 
PASS MerchantValidationEvent can be constructed with valid PMIs 
PASS MerchantValidationEvent can't be constructed with invalid PMIs