
PASS Check the existence of ShadowRoot interface 
PASS ShadowRoot must inherit from DocumentFragment 
PASS ShadowRoot must not be a constructor 
PASS ShadowRoot.activeElement must return the focused element of the context object when shadow root is open. 
PASS ShadowRoot.activeElement must return the focused element of the context object when shadow root is closed. 
PASS ShadowRoot.host must return the shadow host of the context object. 
PASS ShadowRoot.innerHTML must return the result of the HTML fragment serialization algorithm when shadow root is open. 
PASS ShadowRoot.innerHTML must return the result of the HTML fragment serialization algorithm when shadow root is closed. 
PASS ShadowRoot.innerHTML must replace all with the result of invoking the fragment parsing algorithm when shadow root is open. 
PASS ShadowRoot.innerHTML must replace all with the result of invoking the fragment parsing algorithm when shadow root is closed. 
PASS ShadowRoot.styleSheets must return a StyleSheetList sequence containing the shadow root style sheets when shadow root is open. 
PASS ShadowRoot.styleSheets must return a StyleSheetList sequence containing the shadow root style sheets when shadow root is closed.