[urlsearchparams-constructor.html]
  type: testharness
  [URLSearchParams constructor, empty.]
    expected: FAIL

  [URLSearchParams constructor, DOMException.prototype as argument]
    expected: FAIL

  [URLSearchParams constructor, {} as argument]
    expected: FAIL

  [Construct with object with +]
    expected: FAIL

  [Construct with object with two keys]
    expected: FAIL

