Update common_check_list to add optional messages in case of failed check

Change-Id: Iaf17461acaf10ce333db038cb840c14607134af8
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>

osm_lcm/k8s.py

@@ -224,7 +224,9 @@ class GitOpsLcm(LcmBase):
                         timeout=checking["timeout"],
                     )
                     if not status:
-                        return status, message
+                        error_message = "Resources not ready: "
+                        error_message += checking.get("error_message", "")
+                        return status, f"{error_message}: {message}"
                     else:
                         db_item["resourceState"] = checking["resourceState"]
                         db_item = self.update_state_operation_history(