Terry is right, this patch doesn't completely work. But with this fix the problem is solved:

diff -r 394e6bda5a70 Lib/test/test_httpservers.py
--- a/Lib/test/test_httpservers.py      Sun Jun 29 15:56:21 2014 +0300
+++ b/Lib/test/test_httpservers.py      Sun Jun 29 19:27:16 2014 +0300
@@ -306,7 +306,7 @@
         response = self.request('/', method='FOO')
         self.check_status_and_reason(response, 501)
         # requests must be case sensitive,so this should fail too
-        response = self.request('/', method='get')
+        response = self.request('/', method='gets')
         self.check_status_and_reason(response, 501)
         response = self.request('/', method='GETs')
         self.check_status_and_reason(response, 501)