Disable KeyboardOperations/FileManagerBrowserTest for being flaky.

chrome/browser/chromeos/file_manager/file_manager_browsertest.cc

 // Copyright (c) 2013 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 "base/strings/utf_string_conversions.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 #include "chrome/browser/chromeos/file_manager/file_manager_browsertest_base.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chromeos/chromeos_switches.h"
@@ skipping 111 matching lines @@
                                     "createNewFolderDownloads"),
                       TestParameter(NOT_IN_GUEST_MODE,
                                     "createNewFolderDownloads"),
                       TestParameter(NOT_IN_GUEST_MODE,
                                     "createNewFolderDrive")));
 
 // Fails on official build. http://crbug.com/429294
 #if defined(DISABLE_SLOW_FILESAPP_TESTS) || defined(OFFICIAL_BUILD)
 #define MAYBE_KeyboardOperations DISABLED_KeyboardOperations
 #else
-#define MAYBE_KeyboardOperations KeyboardOperations
+// Flaky on other builds. http://crbug.com/512669
+#define MAYBE_KeyboardOperations DISABLED_KeyboardOperations
 #endif
 WRAPPED_INSTANTIATE_TEST_CASE_P(
     MAYBE_KeyboardOperations,
     FileManagerBrowserTest,
     ::testing::Values(TestParameter(IN_GUEST_MODE, "keyboardDeleteDownloads"),
                       TestParameter(NOT_IN_GUEST_MODE,
                                     "keyboardDeleteDownloads"),
                       TestParameter(NOT_IN_GUEST_MODE, "keyboardDeleteDrive"),
                       TestParameter(IN_GUEST_MODE, "keyboardCopyDownloads"),
                       TestParameter(NOT_IN_GUEST_MODE, "keyboardCopyDownloads"),
@@ skipping 436 matching lines @@
 
 IN_PROC_BROWSER_TEST_F(MultiProfileFileManagerBrowserTest, MAYBE_BasicDrive) {
   AddAllUsers();
 
   // Sanity check that normal operations work in multi-profile setting as well.
   set_test_case_name("keyboardCopyDrive");
   StartTest();
 }
 
 }  // namespace file_manager