change(test_postgresql): msg style

tests/test_postgresql.py

@@ -355,10 +355,10 @@ def check_ha(db_conn: dict, errors: int = 0) -> int:
     standby["port"] = 54322
     status, info = check_replication(primary, standby)
     if not status:
-        error("Cannot replicate data between primary/standby: {}".format(info))
+        error("Cannot replicate data between primary/standby ({})".format(info))
         errors += 1
     else:
-        success("Can replicate data between primary/standby: {}".format(info))
+        success("Can replicate data between primary/standby ({})".format(info))
 
     return errors