.ownerDocument should be null on document.

diff --git a/build/runtest/env.js b/build/runtest/env.js
index 23b4136..7a1352a 100644 (file)
--- a/build/runtest/env.js
+++ b/build/runtest/env.js
@@ -106,7 +106,7 @@ var window = this;
                        return makeNode( this._dom.getDocumentElement() );
                },
                get ownerDocument(){
-                       return this;
+                       return null;
                },
                addEventListener: function(){},
                removeEventListener: function(){},