tests/krb5: Improve assertion failure message

Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

diff --git a/python/samba/tests/krb5/group_tests.py b/python/samba/tests/krb5/group_tests.py
index 925f1069c1fb8d6a4a5b02f415c4c32e770a6f98..0b5d58168f6cf6d9d582640d1e03b7de6d6883bf 100755 (executable)
--- a/python/samba/tests/krb5/group_tests.py
+++ b/python/samba/tests/krb5/group_tests.py
@@ -137,7 +137,7 @@ class GroupTests(KDCBaseTest):
             if sid_type is self.SidType.BASE_SID:
                 domain, rid = sid.rsplit('-', 1)
                 self.assertEqual(domain_sid, domain,
-                                 'base SIDs must be in our domain')
+                                 f'base SID {sid} must be in our domain')
 
                 base_sid = samr.RidWithAttribute()
                 base_sid.rid = int(rid)