Fix up new jasmine tests

common/lib/xmodule/xmodule/js/spec/combinedopenended/display_spec.coffee

@@ -1,16 +1,15 @@
-xdescribe 'CombinedOpenEnded', ->
+describe 'CombinedOpenEnded', ->
   beforeEach ->
     spyOn Logger, 'log'
     # load up some fixtures
     loadFixtures 'combined-open-ended.html'
     @element = $('.combined-open-ended')
 
-    describe 'constructor', ->
-      beforeEach ->
-        @combined = new CombinedOpenEnded @element
 
-      it 'set the element', ->
-        except(@combined.element).not.toEqual @element
+  describe 'constructor', ->
+    beforeEach ->
+      @combined = new CombinedOpenEnded @element
+    it 'set the element', ->
+      expect(@combined.element).toEqual @element
 
-      #it 'initialize the ajax url, state, and task count', ->