MD Settings: split browser tests per-file

chrome/test/data/webui/settings/pref_util_tests.js

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /** @fileoverview Suite of tests for Settings.PrefUtil. */
 cr.define('settings_prefUtil', function() {
   function registerTests() {
     suite('PrefUtil', function() {
-      // Import source before running suite.
-      suiteSetup(function() {
-        return PolymerTest.importHtml(
-            'chrome://md-settings/prefs/pref_util.html');
-      });
-
       var global = function() { return this; }();
       var origTraceAssertionsForTesting = global.traceAssertionsForTesting;
 
       /**
        * @param {function()} fn Function that should throw.
        * @param {string} message Message to log if function does not throw.
        */
       var expectThrows = function(fn, message) {
         // Temporarily disable printing of stack traces on assert failures.
         global.traceAssertionsForTesting = false;
@@ skipping 74 matching lines @@
                              {foo: 1}, null);
         }, 'Dictionary prefs should not be handled.');
       });
     });
   }
 
   return {
     registerTests: registerTests,
   };
 });