diff -r 1a3f2d0ced35 Lib/test/test_email/test__header_value_parser.py
--- a/Lib/test/test_email/test__header_value_parser.py	Mon May 12 22:40:49 2014 -0400
+++ b/Lib/test/test_email/test__header_value_parser.py	Wed May 14 16:03:12 2014 -0400
@@ -2443,6 +2443,13 @@
         self.assertEqual(str(address_list.addresses[1]),
                          str(address_list.mailboxes[2]))
 
+    def test_invalid_content_disposition(self):
+        content_disp = self._test_parse_x(parser.parse_content_disposition_header,
+            ";attachment", "; attachment", ";attachment", [errors.InvalidHeaderDefect]*2)
+        
+    def test_invalid_content_transfer_encoding(self):
+        cte = self._test_parse_x(parser.parse_content_transfer_encoding_header,
+            ";foo", ";foo", ";foo", [errors.InvalidHeaderDefect]*3)
 
 @parameterize
 class Test_parse_mime_version(TestParserMixin, TestEmailBase):