Disable downloads tests. Cannot wait properly for downloads to finish

chrome/test/functional/PYAUTO_TESTS

 # Copyright (c) 2011 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.
 #
 # This file lists the pyauto tests that run as a part of the functional test
 # suite.
 #
 # Tests can be enabled on a per-platform basis. Tests not listed here will
 # not be run.
 #
@@ skipping 67 matching lines @@
       # Disabled tests that need to be investigated/fixed.
       # ==================================================
       # crbug.com/83686
       '-autofill.AutofillTest.testFillProfileCrazyCharacters',
       # crbug.com/97369
       '-autofill.AutofillTest.testNoDuplicatePhoneNumsInPrefs',
       # Browser crash when clearing browsing history and downloads together.
       # 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
       # crbug.com/91033
       '-omnibox.OmniboxTest.testOmniboxSearchHistory',
       # crbug.com/82629 - real bug.
       '-popups.PopupsTest.testPopupsLaunchUponBrowserBackButton',
       # crbug.com/47935
       '-popups.PopupsTest.testBlockedPopupNotShowInHistory',
       # crbug.com/83827
@@ skipping 458 matching lines @@
 
   # HTML5 media functional tests.
   'AV_FUNC': {
      'linux': [
        'media.media_event_simple_action',
        'media.media_event_simple_test',
        'media.media_event_track',
      ],
   },
 }