Disable flaky TabindexOpenDialog/FileManagerBrowserTest.

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 <stddef.h>
 
 #include "base/macros.h"
 #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"
@@ skipping 450 matching lines @@
     FileManagerBrowserTest,
     ::testing::Values(TestParameter(NOT_IN_GUEST_MODE,
                                     "tabindexFocusDirectorySelected")));
 
 // Fails on official cros trunk build. http://crbug.com/480491
 #if defined(DISABLE_SLOW_FILESAPP_TESTS) || defined(OFFICIAL_BUILD)
 #define MAYBE_TabindexOpenDialog DISABLED_TabindexOpenDialog
 #else
 #define MAYBE_TabindexOpenDialog TabindexOpenDialog
 #endif
+// Flaky: crbug.com/615259
 WRAPPED_INSTANTIATE_TEST_CASE_P(
-    MAYBE_TabindexOpenDialog,
+    DISABLED_TabindexOpenDialog,
     FileManagerBrowserTest,
     ::testing::Values(
         TestParameter(NOT_IN_GUEST_MODE, "tabindexOpenDialogDrive"),
         TestParameter(NOT_IN_GUEST_MODE, "tabindexOpenDialogDownloads"),
         TestParameter(IN_GUEST_MODE, "tabindexOpenDialogDownloads")));
 
 // Fails on official build. http://crbug.com/482121.
 #if defined(DISABLE_SLOW_FILESAPP_TESTS) || defined(OFFICIAL_BUILD)
 #define MAYBE_TabindexSaveFileDialog DISABLED_TabindexSaveFileDialog
 #else
@@ skipping 209 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