[onmerchantvalidation-attribute.https.html]
  [onmerchantvalidation attribute and listeners both work]
    expected: FAIL

  [Must have a onmerchantvalidation IDL attribute]
    expected: FAIL

  [onmerchantvalidation attribute is a generic handler for "merchantvalidation"]
    expected: FAIL

  [onmerchantvalidation attribute is a handler for MerchantValidationEvent]
    expected: FAIL