fix bytes

Author: Stanislav Lysikov

tests/security/test_auth_ldap.py

@@ -973,7 +973,7 @@ def test__ldap_get_nested_groups(self):
         create_default_users(self.appbuilder.session)
 
         user_alice = (
-            b"cn=test,ou=groups,dc=example,dc=org",
+            "cn=test,ou=groups,dc=example,dc=org",
             {
                 "member:1.2.840.113556.1.4.1941:": [
                     b"cn=alice,ou=users,dc=example,dc=org"
@@ -999,6 +999,6 @@ def test__ldap_get_nested_groups(self):
 
         # validate - search returned expected data
         self.assertEqual(len(nested_groups), 1)
-        self.assertEqual(nested_groups[0], "cn=test,ou=groups,dc=example,dc=org")
+        self.assertEqual(nested_groups[0], b"cn=test,ou=groups,dc=example,dc=org")
 
         mock_con.search_s.assert_called()