Tests that elements panel updates dom tree structure upon changing the attribute with namespace.


Running: testDumpInitial
========= Original ========
  <a id="node" xlink:href="http://localhost">link</a>

Running: testAttributeUpdated
===== On attribute set =====
  <a id="node" xlink:href="changed-url">link</a>

Running: testAttributeRemoved
=== On attribute removed ===
  <a id="node">link</a>