Disable special_tabs.SpecialTabsTest.testAboutDNSTab

BUG=67851

Review URL: http://codereview.chromium.org/6033004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@70003 0039d316-1c4b-4281-b951-d872f2087c98

chrome/test/functional/PYAUTO_TESTS

@@ -64,6 +64,8 @@
       # crbug.com/67628
       '-search_engines.SearchEnginesTest.testTabToSearch',
       'special_tabs',
+      # crbug.com/67851
+      '-special_tabs.SpecialTabsTest.testAboutDNSTab',
       # 'sync',  crbug.com/60970
       'test_basic.SimpleTest.testCanOpenGoogle',
       'themes',