Patch #1303: Adapt str8 constructor to bytes (now buffer) one.
diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py
index 9aad59a..4970845 100644
--- a/Lib/test/test_unicode.py
+++ b/Lib/test/test_unicode.py
@@ -203,8 +203,8 @@
         self.assertRaises(TypeError, 'replace'.replace, "r", 42)
 
     def test_str8_comparison(self):
-        self.assertEqual('abc' == str8('abc'), False)
-        self.assertEqual('abc' != str8('abc'), True)
+        self.assertEqual('abc' == str8(b'abc'), False)
+        self.assertEqual('abc' != str8(b'abc'), True)
 
     def test_comparison(self):
         # Comparisons: