chore(tests): fix up test for protractor 1.2.0 update

These changes were made to master in 85880a6490
but never made it to the 1.2.x branch.

docs/content/guide/expression.ngdoc

@@ -39,7 +39,9 @@ the method from your view. If you want to `eval()` an Angular expression yoursel
 ## Example
 <example>
   <file name="index.html">
-    1+2={{1+2}}
+    <span>
+      1+2={{1+2}}
+    </span>
   </file>
 
   <file name="protractor.js" type="protractor">

src/ng/directive/ngEventDirs.js

@@ -19,7 +19,9 @@
       <button ng-click="count = count + 1" ng-init="count=0">
         Increment
       </button>
-      count: {{count}}
+      <span>
+        count: {{count}}
+      <span>
      </file>
      <file name="protractor.js" type="protractor">
        it('should check ng-click', function() {