Fix phantomjs tests

phantom and some other browsers check whether a TypedArray has equivalent data outside of the "view" area and fail deep equality tests when there is a difference.

@@ -309,7 +309,7 @@
     equal(events[0].frames.length, 1, 'parsed a frame');
     equal(events[0].frames[0].id, 'PRIV', 'frame id is PRIV');
     equal(events[0].frames[0].owner, 'priv-owner@example.com', 'parsed the owner');
-    deepEqual(events[0].frames[0].privateData,
+    deepEqual(new Uint8Array(events[0].frames[0].privateData),
               new Uint8Array(payload),
               'parsed the frame private data');