diff -r 5b33829badcc Lib/test/test_json/test_unicode.py
--- a/Lib/test/test_json/test_unicode.py	Mon Oct 24 23:49:51 2016 +0300
+++ b/Lib/test/test_json/test_unicode.py	Thu Oct 27 07:23:57 2016 -0500
@@ -64,6 +64,8 @@
             encoded = self.dumps(data).encode(encoding)
             self.assertEqual(self.loads(bom + encoded), data)
             self.assertEqual(self.loads(encoded), data)
+            # separate case for 2 byte sequences
+            self.assertEqual(self.loads('5'.encode(encoding)), 5)
         self.assertRaises(UnicodeDecodeError, self.loads, b'["\x80"]')
 
     def test_object_pairs_hook_with_unicode(self):