Fix test expectation

pkg/dev_compiler/test/browser/language_tests.js

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 define(['dart_sdk', 'async_helper', 'expect', 'unittest', 'is', 'require'],
       function(dart_sdk, async_helper, expect, unittest, is, require) {
   'use strict';
 
   async_helper = async_helper.async_helper;
   let minitest = expect.minitest;
@@ skipping 405 matching lines @@
       'element_animate_test': 'unittest',
 
       // https://github.com/dart-lang/sdk/issues/27579.
       'element_classes_test': 'fail',
       'element_classes_svg_test': 'fail',
 
       // Failure: 'Expected 56 to be in the inclusive range [111, 160].'.
       'element_offset_test': 'fail',
 
       'element_test': async_unittest,
-      'element_types_test': firefox_fail,
+      // This may no longer be a valid test?
+      'element_types_test': is.chrome('<=56') ? pass : fail,
       'event_customevent_test': async_unittest,
       'events_test': async_unittest,
       'fileapi_test': async_unittest,
       'filereader_test': async_unittest,
       'fontface_loaded_test': async_unittest,
       'fontface_test': firefox_fail,
       'form_data_test': async_unittest,
       'history_test': async_unittest,
       'indexeddb_1_test': async_unittest,
       'indexeddb_2_test': async_unittest,
@@ skipping 455 matching lines @@
 
     for (let action of unittest_tests) {
       try {
         action();
       } catch (e) {
         console.error("Caught error tying to setup test:", e);
       }
     }
   });
 });