Fixed handling of extended unicode characters on some Python 2.7 installs
diff --git a/tests/test_x509.py b/tests/test_x509.py
index a216dec..872fa4f 100644
--- a/tests/test_x509.py
+++ b/tests/test_x509.py
@@ -72,6 +72,15 @@
                 })
             ),
             (
+                True,
+                x509.Name.build({
+                    'common_name': 'Will Bond'
+                }),
+                x509.Name.build({
+                    'common_name': 'Will Bond \U0001D173\U000E007F'
+                })
+            ),
+            (
                 False,
                 x509.Name.build({
                     'country_name': 'US',