[scoped-registry-initialize.html]
  [Document: customElementRegistry of an upgrade candidate after calling CustomElementRegistry.prototype.initialize should return the registry]
    expected: FAIL

  [Document: customElementRegistry of an upgrade candidate created with an explicit customElementRegistry argument should return the registry]
    expected: FAIL

  [Document: customElementRegistry of an unknown element after calling CustomElementRegistry.prototype.initialize should return the registry]
    expected: FAIL

  [Document: customElementRegistry of an unknown element created with an explicit customElementRegistry argument should return the registry]
    expected: FAIL

  [Document: customElementRegistry of document and an upgrade candidate after calling CustomElementRegistry.prototype.initialize should return the registry]
    expected: FAIL

  [Document: customElementRegistry of an element created after calling CustomElementRegistry.prototype.initialize should return the registry]
    expected: FAIL

  [HTMLDocument: customElementRegistry of an upgrade candidate after calling CustomElementRegistry.prototype.initialize should return the registry]
    expected: FAIL

  [HTMLDocument: customElementRegistry of an upgrade candidate created with an explicit customElementRegistry argument should return the registry]
    expected: FAIL

  [HTMLDocument: customElementRegistry of an unknown element after calling CustomElementRegistry.prototype.initialize should return the registry]
    expected: FAIL

  [HTMLDocument: customElementRegistry of an unknown element created with an explicit customElementRegistry argument should return the registry]
    expected: FAIL

  [HTMLDocument: customElementRegistry of document and an upgrade candidate after calling CustomElementRegistry.prototype.initialize should return the registry]
    expected: FAIL

  [HTMLDocument: customElementRegistry of an element created after calling CustomElementRegistry.prototype.initialize should return the registry]
    expected: FAIL

  [XHTMLDocument: customElementRegistry of an upgrade candidate after calling CustomElementRegistry.prototype.initialize should return the registry]
    expected: FAIL

  [XHTMLDocument: customElementRegistry of an upgrade candidate created with an explicit customElementRegistry argument should return the registry]
    expected: FAIL

  [XHTMLDocument: customElementRegistry of an unknown element after calling CustomElementRegistry.prototype.initialize should return the registry]
    expected: FAIL

  [XHTMLDocument: customElementRegistry of an unknown element created with an explicit customElementRegistry argument should return the registry]
    expected: FAIL

  [XHTMLDocument: customElementRegistry of document and an upgrade candidate after calling CustomElementRegistry.prototype.initialize should return the registry]
    expected: FAIL

  [XHTMLDocument: customElementRegistry of an element created after calling CustomElementRegistry.prototype.initialize should return the registry]
    expected: FAIL