simplify test slightly.

Author: sorvell

test/html/mdv-syntax.html

@@ -50,7 +50,7 @@
   </polymer-element>
 
   <!-- expressions -->
-  <polymer-element name="mdv-expression" attributes="test">
+  <polymer-element name="mdv-expression" attributes="test" lightdom>
     <template>
       <template bind="{{test.math as m}}">
         <template if="{{ m.a > 0 }}">
@@ -71,13 +71,13 @@
     <script>
       Polymer('mdv-expression', {
         runTests: function() {
-          var d = this.shadowRoot.querySelectorAll('div');
+          var d = this.querySelectorAll('div');
           for (var i = 0; i < d.length; i++) {
             assert.equal(d[i].textContent, this.test.math.expected[i]);
           }
-          assert.ok(this.shadowRoot.querySelector('#conditional'));
-          assert.ok(this.shadowRoot.querySelector('pre').classList.contains('bar'));
-          assert.equal(this.shadowRoot.querySelector('#inception').textContent, document.querySelector('mdv-holder').offsetTop);
+          assert.ok(this.querySelector('#conditional'));
+          assert.ok(this.querySelector('pre').classList.contains('bar'));
+          assert.equal(this.querySelector('#inception').textContent, document.querySelector('mdv-holder').offsetTop);
         }
       });
     </script>
@@ -98,7 +98,7 @@
           this.$.math.runTests();
         },
         ready: function() {
-          this.onMutation(this.$.math.shadowRoot, function() {
+          this.onMutation(this.$.math, function() {
             this.runTests();
             done();
           });