LCM integration tests: use RO charm from charmhub instead of building it
locally

Change-Id: I3c1aba9227d9ef5c28f559447da63035214c8ea1
Signed-off-by: Dario Faccin <dario.faccin@canonical.com>
diff --git a/installers/charm/osm-lcm/tests/integration/test_charm.py b/installers/charm/osm-lcm/tests/integration/test_charm.py
index bb0f34e..a991339 100644
--- a/installers/charm/osm-lcm/tests/integration/test_charm.py
+++ b/installers/charm/osm-lcm/tests/integration/test_charm.py
@@ -23,6 +23,7 @@
 
 import asyncio
 import logging
+import shlex
 from pathlib import Path
 
 import pytest
@@ -37,6 +38,7 @@
 KAFKA_APP = "kafka"
 MONGO_DB_CHARM = "mongodb-k8s"
 MONGO_DB_APP = "mongodb"
+RO_CHARM = "osm-ro"
 RO_APP = "ro"
 ZOOKEEPER_CHARM = "zookeeper-k8s"
 ZOOKEEPER_APP = "zookeeper"
@@ -49,16 +51,16 @@
 async def test_lcm_is_deployed(ops_test: OpsTest):
     charm = await ops_test.build_charm(".")
     resources = {"lcm-image": METADATA["resources"]["lcm-image"]["upstream-source"]}
-    ro_charm = await ops_test.build_charm("../osm-ro/")
-    ro_resources = {"ro-image": "opensourcemano/ro"}
+    ro_deploy_cmd = f"juju deploy {RO_CHARM} {RO_APP} --resource ro-image=opensourcemano/ro:testing-daily --channel=latest/beta --series=focal"
 
     await asyncio.gather(
         ops_test.model.deploy(
             charm, resources=resources, application_name=LCM_APP, series="focal"
         ),
-        ops_test.model.deploy(
-            ro_charm, resources=ro_resources, application_name=RO_APP, series="focal"
-        ),
+        # RO charm has to be deployed differently since
+        # bug https://github.com/juju/python-libjuju/issues/822
+        # deploys different charms wrt cli
+        ops_test.run(*shlex.split(ro_deploy_cmd), check=True),
         ops_test.model.deploy(KAFKA_CHARM, application_name=KAFKA_APP, channel="stable"),
         ops_test.model.deploy(MONGO_DB_CHARM, application_name=MONGO_DB_APP, channel="edge"),
         ops_test.model.deploy(ZOOKEEPER_CHARM, application_name=ZOOKEEPER_APP, channel="stable"),