Disable CreateNewFolder/FileManagerBrowserTest.Test/3 as its failing on most try runs.

chrome/browser/chromeos/file_manager/file_manager_browsertest.cc

Index: chrome/browser/chromeos/file_manager/file_manager_browsertest.cc
diff --git a/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc b/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc
index a212f73e9c27e8289450a89f193c2badf538c73f..f6ddfbccb343bec98d734d9a17fe68857ea99841 100644
--- a/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc
+++ b/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc
@@ -815,14 +815,9 @@ WRAPPED_INSTANTIATE_TEST_CASE_P(
         TestParameter(NOT_IN_GUEST_MODE, "audioRepeatMultipleFileDrive"),
         TestParameter(NOT_IN_GUEST_MODE, "audioNoRepeatMultipleFileDrive")));
 
-// Slow tests are disabled on debug build. http://crbug.com/327719
-#if !defined(NDEBUG)
-#define MAYBE_CreateNewFolder DISABLED_CreateNewFolder
-#else
-#define MAYBE_CreateNewFolder CreateNewFolder
-#endif
+// Flaky http://crbug.com/327719
 WRAPPED_INSTANTIATE_TEST_CASE_P(
-    MAYBE_CreateNewFolder,
+    DISABLED_CreateNewFolder,
     FileManagerBrowserTest,
     ::testing::Values(TestParameter(NOT_IN_GUEST_MODE,
                                     "createNewFolderAfterSelectFile"),