Disable flaky BackgroundTest.EditableNavigation

chrome/browser/resources/chromeos/chromevox/cvox2/background/background_test.extjs

 // Copyright 2014 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.
 
 // Include test fixture.
 GEN_INCLUDE(['../../testing/chromevox_next_e2e_test_base.js',
              '../../testing/assert_additions.js']);
 
 GEN_INCLUDE(['../../testing/mock_feedback.js']);
 
@@ skipping 1158 matching lines @@
           .expectEarcon('wrap')
           .call(doCmd('previousHeading' + level))
           .expectEarcon('wrap');
     };
     for (var i = 1; i <= 6; i++)
       makeLevelAssertions(i);
     mockFeedback.replay();
   });
 });
 
-TEST_F('BackgroundTest', 'EditableNavigation', function() {
+// Flaky, see crbug.com/693928.
+TEST_F('BackgroundTest', 'DISABLED_EditableNavigation', function() {
   var mockFeedback = this.createMockFeedback();
   this.runWithLoadedTree(function(root) {/*!
     <div contenteditable>this is a test</div>
   */}, function(root) {
     mockFeedback.call(doCmd('nextObject'))
         .expectSpeech('this is a test')
         .call(doCmd('nextObject'))
         .expectSpeech(/data*/)
         .call(doCmd('nextObject'))
         .expectSpeech('this is a test')
@@ skipping 30 matching lines @@
         .call(doCmd('nextWord'))
         .expectBraille(text, {startIndex: 5, endIndex: 7})  // is
         .call(doCmd('previousWord'))
         .expectBraille(text, {startIndex: 0, endIndex: 4})  // This
         .call(doCmd('nextLine'))
         // Ensure nothing is selected when the range covers the entire line.
         .expectBraille('with a second line', {startIndex: -1, endIndex: -1})
         .replay();
   });
 });