Fix status for FF

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 479 matching lines @@
 
       // was https://github.com/dart-lang/sdk/issues/27578, needs triage
       'rtc_test': is.chrome('<=55') ? fail : pass,
 
       // https://github.com/dart-lang/sdk/issues/29071
       'serialized_script_value_test': firefox_fail,
 
       'shadow_dom_test': firefox_fail,
 
       // was https://github.com/dart-lang/sdk/issues/27578, needs triage
+      'speechrecognition_test': firefox_fail,
       'svgelement_test': chrome_fail,
       'text_event_test': firefox_fail,
 
       // was https://github.com/dart-lang/sdk/issues/27578, needs triage
       'touchevent_test': 'fail',
 
       'transferables_test': async_unittest,
       'transition_event_test': async_unittest,
       'url_test': async_unittest,
       'websocket_test': async_unittest,
@@ skipping 412 matching lines @@
 
     for (let action of unittest_tests) {
       try {
         action();
       } catch (e) {
         console.error("Caught error tying to setup test:", e);
       }
     }
   });
 });