Disable downloads tests. Cannot wait properly for downloads to finish

Shows the 'Wait for downloads to finish' dialog box when trying to quit.

TBR=rdsmith@chromium.org
BUG=97695
TEST=

Review URL: http://codereview.chromium.org/7970020

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@102396 0039d316-1c4b-4281-b951-d872f2087c98

chrome/test/functional/PYAUTO_TESTS

@@ -85,6 +85,10 @@
       # crbug.com/88128
       '-browsing_data.BrowsingDataTest.testClearHistoryAndDownloads',
       '-browsing_data.BrowsingDataTest.testClearingAccuracy',
+      # crbug.com/97695
+      '-downloads.DownloadsTest.testBigZip',
+      '-downloads.DownloadsTest.testFileRenaming',
+      '-downloads.DownloadsTest.testCrazyFilenames',
       # Turkish I problem. crbug.com/60638
       '-find_in_page.FindMatchTests.testLocalizationAndCaseOrder',
       '-omnibox.OmniboxTest.testHistoryResult',  # crbug.com/71715