[CSS-namespace-object-class-string.html]
  [Object.prototype.toString applied after deleting @@toStringTag]
    expected: FAIL

  [@@toStringTag exists on the namespace object with the appropriate descriptor]
    expected: FAIL

  [Object.prototype.toString applied after modifying the namespace object's @@toStringTag]
    expected: FAIL

  [Object.prototype.toString applied to the namespace object]
    expected: FAIL