Disable broken chromeos_file_browser tests

chrome/test/functional/PYAUTO_TESTS

Index: chrome/test/functional/PYAUTO_TESTS
diff --git a/chrome/test/functional/PYAUTO_TESTS b/chrome/test/functional/PYAUTO_TESTS
index 86cb2bce4ea7b807f1625b9527f8ad1bb6ad8cf5..91bac62da478780c58131bfd85abfdf9e7fc8106 100644
--- a/chrome/test/functional/PYAUTO_TESTS
+++ b/chrome/test/functional/PYAUTO_TESTS
@@ -286,6 +286,19 @@
       # crosbug.com/19556
       '-autofill.AutofillTest.testDisplayLineItemForEntriesWithNoCCNum',
       '-autofill.AutofillTest.testPostalCodeAndStateLabelsBasedOnCountry',
+      # FileBrowser test API as broken - crosbug.com/24257
+      '-chromeos_file_browser.ChromeosFileBrowserTest.testCopyFolderInDialog',
+      '-chromeos_file_browser.ChromeosFileBrowserTest.testCopyFolderInFullPage',
+      '-chromeos_file_browser.ChromeosFileBrowserTest.testCreateFolderInDialog',
+      '-chromeos_file_browser.ChromeosFileBrowserTest.testCreateFolderInFullPage',
+      '-chromeos_file_browser.ChromeosFileBrowserTest.testCutFolderInDialog',
+      '-chromeos_file_browser.ChromeosFileBrowserTest.testCutFolderInFullPage',
+      '-chromeos_file_browser.ChromeosFileBrowserTest.testDeleteFolderInDialog',
+      '-chromeos_file_browser.ChromeosFileBrowserTest.testDeleteFolderInFullPage',
+      '-chromeos_file_browser.ChromeosFileBrowserTest.testGetSelectedDirectorySizeStats',
+      '-chromeos_file_browser.ChromeosFileBrowserTest.testRenameFolderInDialog',
+      '-chromeos_file_browser.ChromeosFileBrowserTest.testRenameFolderInFullPage',
+      '-chromeos_file_browser.ChromeosFileBrowserTest.testSelectMultipleFoldersInFullPage',
       # Downloads panel stays even after declining a download.
       # crosbug.com/14728
       '-downloads.DownloadsTest.testDeclineDangerousDownload',