fix comment stream jasmine - bind function after spy has been defined

public/javascripts/app/views/comment_stream_view.js

@@ -14,7 +14,11 @@ app.views.CommentStream = app.views.Base.extend({
     this.model.comments.bind('add', this.appendComment, this);
     this.commentTemplate = options.commentTemplate;
 
-    this.model.bind("commentsExpanded", this.render, this)
+    this.setupBindings();
+  },
+
+  setupBindings: function() {
+    this.model.bind("commentsExpanded", this.render, this);
   },
 
   postRenderTemplate : function() {

spec/javascripts/app/views/comment_stream_view_spec.js

@@ -6,9 +6,10 @@ describe("app.views.CommentStream", function(){
 
   describe("binds", function() {
     it("re-renders on a commentsExpanded trigger", function(){
-      spyOn(this.view, "render")
-      this.view.model.trigger("commentsExpanded")
-      expect(this.view.render).toHaveBeenCalled()
+      spyOn(this.view, "render");
+      this.view.setupBindings();
+      this.view.model.trigger("commentsExpanded");
+      expect(this.view.render).toHaveBeenCalled();
     })
   })