tests/test_crts.py | 27 ++++++++++++++++-----------

diff --git a/tests/test_crts.py b/tests/test_crts.py
index d92f0905a81bdb9b60ed7f4db580a719f13c8284739b5ae2cb45e49816e417ed..ede57b743ce55419845fc6f3681244097926ff93d7c3cfd8b391955fd1081e6b 100644
--- a/tests/test_crts.py
+++ b/tests/test_crts.py
@@ -19,6 +19,7 @@ from copy import copy
 from datetime import datetime
 from unittest import TestCase
 
+from six import assertRaisesRegex
 from six.moves.cPickle import dumps as pickle_dumps
 from six.moves.cPickle import HIGHEST_PROTOCOL as pickle_proto
 from six.moves.cPickle import loads as pickle_loads
@@ -27,6 +28,7 @@ from pyderasn import Any
 from pyderasn import BitString
 from pyderasn import Boolean
 from pyderasn import Choice
+from pyderasn import DecodeError
 from pyderasn import encode_cer
 from pyderasn import GeneralizedTime
 from pyderasn import hexdec
@@ -44,6 +46,7 @@ from pyderasn import tag_ctxc
 from pyderasn import tag_ctxp
 from pyderasn import TeletexString
 from pyderasn import UTCTime
+from pyderasn import UTF8String
 
 
 name2oid = {
@@ -102,14 +105,21 @@         ("teletexString", TeletexString()),
     )
 
 
+class CommonName(Choice):
+    schema = (
+        ("printableString", PrintableString()),
+        ("utf8String", UTF8String()),
+    )
+
+
 class AttributeTypeAndValue(Sequence):
     schema = (
-        ("type", AttributeType(defines=(((".", "value"), {
+        ("type", AttributeType(defines=((("value",), {
             name2oid["id-at-countryName"]: PrintableString(),
             name2oid["id-at-localityName"]: PrintableString(),
             name2oid["id-at-stateOrProvinceName"]: PrintableString(),
             name2oid["id-at-organizationName"]: OrganizationName(),
-            name2oid["id-at-commonName"]: PrintableString(),
+            name2oid["id-at-commonName"]: CommonName(),
         }),))),
         ("value", AttributeValue()),
     )
@@ -365,6 +375,8 @@         )
 
 
 class TestGoPayPalVector(TestCase):
+    """PayPal certificate with "www.paypal.com\x00ssl.secureconnection.cc" name
+    """
     def runTest(self):
         raw = hexdec("".join((
             "30820644308205ada003020102020300f09b300d06092a864886f70d010105050",
@@ -418,12 +430,5 @@             "b4ad7b9dc889e3778415bf782a5f2ba41255a901a1e4538a1525875942644fb20",
             "07ba44cce54a2d723f9847f626dc054605076321ab469b9c78d5545b3d0c1ec86",
             "48cb55023826fdbb8221c439607a8bb",
         )))
-        crt = Certificate().decod(raw)
-        self.assertSequenceEqual(crt.encode(), raw)
-        pprint(crt)
-        repr(crt)
-        pickle_loads(pickle_dumps(crt, pickle_proto))
-        self.assertEqual(
-            Certificate().decod(encode_cer(crt), ctx={"bered": True}),
-            crt,
-        )
+        with assertRaisesRegex(self, DecodeError, "non-printable"):
+            crt = Certificate().decod(raw)