tls13: server: Note down client not being authenticated in SSL context

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/tests/scripts/generate_tls13_compat_tests.py b/tests/scripts/generate_tls13_compat_tests.py
index 764c0ee..1d665e0 100755
--- a/tests/scripts/generate_tls13_compat_tests.py
+++ b/tests/scripts/generate_tls13_compat_tests.py
@@ -398,7 +398,7 @@
                                 named_group=named_group,
                                 iana_value=NAMED_GROUP_IANA_VALUE[named_group])]
 
-        check_strings.append("Verifying peer X.509 certificate... ok")
+        check_strings.append("Certificate verification was skipped")
         return ['-s "{}"'.format(i) for i in check_strings]
 
     def pre_cmd(self):