Disable TestAsNormalAndGuestUser/SpokenFeedbackTest.ChromeVoxStickyMode as it's flaky.

chrome/browser/chromeos/accessibility/spoken_feedback_browsertest.cc

 // 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 <queue>
 
 #include "ash/shell.h"
 #include "ash/system/tray/system_tray.h"
 #include "base/command_line.h"
 #include "base/strings/string_util.h"
@@ skipping 339 matching lines @@
   EXPECT_EQ("Start selection", speech_monitor_.GetNextUtterance());
   EXPECT_EQ("Title", speech_monitor_.GetNextUtterance());
   EXPECT_EQ(", selected", speech_monitor_.GetNextUtterance());
 
   // Press again to end the selection.
   SendKeyPressWithSearchAndShift(ui::VKEY_S);
   EXPECT_EQ("End selection", speech_monitor_.GetNextUtterance());
   EXPECT_EQ("Title", speech_monitor_.GetNextUtterance());
 }
 
-IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, ChromeVoxStickyMode) {
+// flaky: http://crbug.com/418572
+IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, DISABLED_ChromeVoxStickyMode) {
   LoadChromeVoxAndThenNavigateToURL(
       GURL("data:text/html;charset=utf-8,"
            "<label>Enter your name <input autofocus></label>"
            "<p>One</p>"
            "<h2>Two</h2>"));
   while (speech_monitor_.GetNextUtterance() != "Enter your name") {
   }
   EXPECT_EQ("Edit text", speech_monitor_.GetNextUtterance());
 
   // Press the sticky-key sequence: Search Search.
@@ skipping 129 matching lines @@
   EXPECT_EQ("English ( United States)", speech_monitor_.GetNextUtterance());
   EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(),
                            "Combo box * of *"));
   ASSERT_TRUE(
       ui_test_utils::SendKeyPressToWindowSync(
           window, ui::VKEY_TAB, false, false, false, false));
   EXPECT_EQ("Select your keyboard:", speech_monitor_.GetNextUtterance());
 }
 
 }  // namespace chromeos