[CSSStyleSheet-constructable.html]
  [new CSSStyleSheet produces empty CSSStyleSheet]
    expected: FAIL

  [CSSStyleSheet.replace produces Promise<CSSStyleSheet>]
    expected: FAIL

  [Constructed style sheets can be applied on shadow root]
    expected: FAIL

  [Re-attaching shadow host with adopted stylesheets work]
    expected: FAIL

  [Changes to constructed stylesheets through CSSOM is reflected]
    expected: FAIL

  [Constructed stylesheet can be used and modified in multiple TreeScopes]
    expected: FAIL

  [Stylesheets constructed on the main Document cannot be used in iframes]
    expected: FAIL

  [Stylesheet constructed on iframe cannot be used in the main Document]
    expected: FAIL

  [CSSStyleSheet.replaceSync correctly updates the style of its adopters synchronously]
    expected: FAIL

  [Adopted sheets are ordered after non-adopted sheets in the shadow root]
    expected: FAIL

  [Adopted sheets are ordered after non-adopted sheets in the document]
    expected: FAIL

  [CSSStyleSheet.replaceSync should not trigger any loads from @import rules]
    expected: FAIL

  [CSSStyleSheet.replace allows, but ignores, import rule inside]
    expected: FAIL

  [CSSStyleSheet.replace ignores @import rule but still loads other rules]
    expected: FAIL

  [Adopting a shadow host will empty adoptedStyleSheets if adopting to a different document]
    expected: FAIL

  [Adopting a shadow host's ancestor will empty adoptedStyleSheets if adopting to a different document]
    expected: FAIL