Tests that DOMSnapshot.captureSnapshot properly reports shadow root types
node: value=undefined name=#document shadowRootType=undefined
node: value=undefined name=HTML shadowRootType=undefined
node: value=undefined name=HEAD shadowRootType=undefined
node: value=undefined name=BODY shadowRootType=undefined
node: value= name=#text shadowRootType=undefined
node: value=undefined name=HOST-ELEMENT shadowRootType=undefined
node: value= name=#text shadowRootType=open
node: value=undefined name=H2 shadowRootType=open
node: value=Open shadow root name=#text shadowRootType=open
node: value= name=#text shadowRootType=open
node: value= name=#text shadowRootType=undefined
node: value=undefined name=HOST-ELEMENT shadowRootType=undefined
node: value= name=#text shadowRootType=closed
node: value=undefined name=H2 shadowRootType=closed
node: value=Closed shadow root name=#text shadowRootType=closed
node: value= name=#text shadowRootType=closed
node: value= name=#text shadowRootType=undefined
node: value=undefined name=TEXTAREA shadowRootType=undefined
node: value=test for ua shadow roots are not returned by DOMSnapshot.captureSnapshot name=#text shadowRootType=undefined
node: value= name=#text shadowRootType=undefined