Use bundle configuration

tests/integration/helpers.py

@@ -393,6 +393,8 @@ async def deploy_and_relate_bundle_with_postgresql(
             ]
 
             # Remove PostgreSQL and relations with it from the bundle.yaml file.
+            config = data["applications"]["postgresql"]["options"]
+            logger.info(f"Bundle {bundle_name} needs configuration {config}")
             del data["applications"]["postgresql"]
             data["relations"] = [
                 relation
@@ -415,6 +417,12 @@ async def deploy_and_relate_bundle_with_postgresql(
                     await ops_test.juju("deploy", patched.name)
 
     async with ops_test.fast_forward(fast_interval="30s"):
+        await ops_test.model.applications[DATABASE_APP_NAME].set_config(config)
+        await ops_test.model.wait_for_idle(
+            apps=[DATABASE_APP_NAME],
+            status="active",
+            timeout=timeout,
+        )
         # Relate application to PostgreSQL.
         relation = await ops_test.model.relate(
             main_application_name, f"{DATABASE_APP_NAME}:{relation_name}"

tests/integration/test_db_admin.py

@@ -45,7 +45,7 @@ async def test_landscape_scalable_bundle_db(ops_test: OpsTest, charm: str) -> No
         application_name=DATABASE_APP_NAME,
         num_units=DATABASE_UNITS,
         base=CHARM_BASE,
-        config={"profile": "testing", "plugin_plpython3u_enable": "True"},
+        config={"profile": "testing"},
     )
 
     # Deploy and test the Landscape Scalable bundle (using this PostgreSQL charm).