diff --git a/test/runner.html b/test/runner.html
index 838f66a692..d022c2fbe1 100644
--- a/test/runner.html
+++ b/test/runner.html
@@ -71,8 +71,8 @@
       'unit/custom-style-late.html',
       'unit/custom-style-async.html',
       'unit/custom-style-async.html?dom=shadow',
-      'unit/custom-style-async-native.html',
-      'unit/custom-style-async-native.html?dom=shadow',
+      'unit/custom-style-async.html?lazyRegister=true&useNativeCSSProperties=true',
+      'unit/custom-style-async.html?lazyRegister=true&useNativeCSSProperties=true&dom=shadow',
       'unit/dynamic-import.html',
       'unit/templatizer.html',
       'unit/dom-repeat.html',
diff --git a/test/unit/custom-style-async-native.html b/test/unit/custom-style-async-native.html
deleted file mode 100644
index ea83873c02..0000000000
--- a/test/unit/custom-style-async-native.html
+++ /dev/null
@@ -1,68 +0,0 @@
-<!doctype html>
-<!--
-@license
-Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
-This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
-The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
-The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
-Code distributed by Google as part of the polymer project is also
-subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--->
-<html>
-<head>
-  <meta charset="utf-8">
-  <script src="../../../webcomponentsjs/webcomponents-lite.js"></script>
-  <script src="../../../web-component-tester/browser.js"></script>
-  <script>Polymer = {lazyRegister: true, useNativeCSSProperties: true};</script>
-  <link rel="import" href="../../polymer.html">
-
-</head>
-<body>
-
-  <dom-module id="x-host">
-    <template>
-      <style>
-        :host {
-          display: inline-block;
-          border: 4px solid orange;
-          padding: 4px;
-        }
-        .whatever { color: var(--whatever); }
-      </style>
-      <x-client id="client"></x-client>
-    </template>
-  </dom-module>
-  <script>
-    HTMLImports.whenReady(function() {
-      Polymer({
-        is: 'x-host'
-      })
-    });
-  </script>
-
-  <x-host id="host"></x-host>
-
-  <script>
-  /* global input */
-
-    suite('async global custom-style', function() {
-
-      test('async loaded custom-style applies', function(done) {
-        host.importHref('custom-style-async-import.html', function() {
-          assertComputed(host.$.client, '8px');
-          done();
-        });
-      });
-
-    });
-
-    function assertComputed(element, value, property, pseudo) {
-      var computed = getComputedStyle(element, pseudo);
-      property = property || 'border-top-width';
-      assert.equal(computed[property], value, 'computed style incorrect for ' + property);
-    }
-
-  </script>
-
-</body>
-</html>
diff --git a/test/unit/custom-style-async.html b/test/unit/custom-style-async.html
index 47a37b1834..10007118cc 100644
--- a/test/unit/custom-style-async.html
+++ b/test/unit/custom-style-async.html
@@ -42,7 +42,7 @@
   <x-host id="host"></x-host>
 
   <script>
-  /* global input */
+  /* global host */
 
     suite('async global custom-style', function() {
 
