fix: unit.name

Author: imanenami

tests/integration/test_tls.py

@@ -362,12 +362,12 @@ def test_tls_removed(juju: jubilant.Juju, kafka_apps):
         file_extensions = {
             f.split(".")[-1] for f in stdout.split() if f and f.startswith("client-")
         }
-        logging.info(f"CLIENT TLS: {', '.join(file_extensions)} files found on {unit.name}")
+        logging.info(f"CLIENT TLS: {', '.join(file_extensions)} files found on {unit}")
         assert not {"pem", "key", "p12", "jks"} & file_extensions
 
         # peer TLS artifacts should remain intact.
         file_extensions = {f.split(".")[-1] for f in stdout.split() if f and f.startswith("peer-")}
-        logging.info(f"PEER TLS: {', '.join(file_extensions)} files found on {unit.name}")
+        logging.info(f"PEER TLS: {', '.join(file_extensions)} files found on {unit}")
         assert {"pem", "key", "p12", "jks"} & file_extensions