Remove from test runner.

Steven Orvell · Steven Orvell · commit b7aaa779f6ef · 2018-08-30T18:37:21.000-07:00
diff --git a/test/runner.html b/test/runner.html
@@ -15,6 +15,5 @@
 </head>
 <body>
   <script type="module" src="lit-element_test.js"></script>
-  <script type="module" src="render-helpers_test.js"></script>
   <script type="module" src="lit-element_styling_test.js"></script>
 </body></html>
