Add test for direct assignment to template.

test/unit/polymer.element.html

@@ -266,6 +266,26 @@ class SubNewTemplate extends window.MyElement {
 }
 
 customElements.define('sub-new-template', SubNewTemplate);
+
+/**
+ * Instead of overriding the static getter, this element has its template
+ * assigned directly to the constructor.
+ */
+class SubNewTemplateAssigned extends window.MyElement {
+  static get properties() {
+    return {
+      prop2: {
+        value: 'prop2',
+      }
+    };
+  }
+}
+
+SubNewTemplateAssigned.template = html`
+  <h1>Sub template</h1>
+  <div id="subContent">{{prop2}}</div>`;
+
+customElements.define('sub-new-template-assigned', SubNewTemplateAssigned);
 </script>
 
   <template id="no-dom-module">
@@ -579,6 +599,25 @@ suite('subclass new template', function() {
   });
 });
 
+suite('subclass new template assigned', function() {
+  let el;
+
+  setup(function() {
+    el = document.createElement('sub-new-template-assigned');
+    document.body.appendChild(el);
+  });
+
+  teardown(function() {
+    document.body.removeChild(el);
+  });
+
+  test('template', function() {
+    assert.equal(el.prop2, 'prop2');
+    assert.equal(el.$.subContent.textContent, el.prop2);
+    assert.notOk(el.$.content);
+  });
+});
+
 suite('extend sub-class template', function() {
   let el, baseEl;
   setup(function() {