Files.app: Take back disabled DefaultActionDialog/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.
 
 // Browser test for basic Chrome OS file manager functionality:
 //  - The file list is updated when a file is added externally to the Downloads
 //    folder.
 //  - Selecting a file and copy-pasting it with the keyboard copies the file.
 //  - Selecting a file and pressing delete deletes it.
 
@@ skipping 1021 matching lines @@
 #else
 #define MAYBE_ExecuteDefaultTaskOnDrive ExecuteDefaultTaskOnDrive
 #endif
 INSTANTIATE_TEST_CASE_P(
     MAYBE_ExecuteDefaultTaskOnDrive,
     FileManagerBrowserTest,
     ::testing::Values(
         TestParameter(NOT_IN_GUEST_MODE, "executeDefaultTaskOnDrive")));
 
 // Slow tests are disabled on debug build. http://crbug.com/327719
-// In addition, this test in particular has become very flaky as of this CL:
-//   https://codereview.chromium.org/838193002/
-// Disable completely until further investigation. See: http://crbug.com/444574.
+#if !defined(NDEBUG)
+#define MAYBE_DefaultActionDialog DISABLED_DefaultActionDialog
+#else
+#define MAYBE_DefaultActionDialog DefaultActionDialog
+#endif
 WRAPPED_INSTANTIATE_TEST_CASE_P(
-    DISABLED_DefaultActionDialog,
+    MAYBE_DefaultActionDialog,
     FileManagerBrowserTest,
     ::testing::Values(
         TestParameter(NOT_IN_GUEST_MODE, "defaultActionDialogOnDownloads"),
         TestParameter(IN_GUEST_MODE, "defaultActionDialogOnDownloads"),
         TestParameter(NOT_IN_GUEST_MODE, "defaultActionDialogOnDrive")));
 
 // Slow tests are disabled on debug build. http://crbug.com/327719
 #if !defined(NDEBUG)
 #define MAYBE_GenericTask DISABLED_GenericTask
 #else
@@ skipping 460 matching lines @@
   StartTest();
 }
 
 IN_PROC_BROWSER_TEST_F(VideoPlayerBrowserTest, OpenSingleVideoOnDrive) {
   set_test_case_name("openSingleVideoOnDrive");
   StartTest();
 }
 
 }  // namespace
 }  // namespace file_manager