[integ-test] Skips checks in test_slurm_cli_commands for iso regions

The code doesn't know the owner IDs of vanilla AMIs in iso regions. Amazon Linux AMI still works because they have alias `amazon`

Signed-off-by: Hanwen <hanwenli@amazon.com>

Author: hanwen-cluster

tests/integration-tests/tests/cli_commands/test_cli_commands.py

@@ -43,20 +43,23 @@ def test_slurm_cli_commands(
     """Test pcluster cli commands are working."""
     # Use long scale down idle time so we know nodes are terminated by pcluster stop
     cluster_config = pcluster_config_reader(scaledown_idletime=60)
-    # Using custom AMI not tagged by pcluser will generate a warning
-    custom_ami = retrieve_latest_ami(region, os, ami_type="official", architecture="x86_64")
-    config_file = "pcluster.config.with.warnings.yaml"
-    cluster_config_with_warning = pcluster_config_reader(config_file=config_file, custom_ami=custom_ami)
 
-    # Test below is not compatible with `--cluster` flag. Therefore, skip it if the flag is provided.
-    if not request.config.getoption("cluster"):
-        _test_create_with_warnings(cluster_config_with_warning, clusters_factory)
+    if "alinux" not in os and "us-iso" in region:  # The code does not know non-amazon vanilla AMIs IDs in iso regions
+        # Using custom AMI not tagged by pcluser will generate a warning
+        custom_ami = retrieve_latest_ami(region, os, ami_type="official", architecture="x86_64")
+        config_file = "pcluster.config.with.warnings.yaml"
+        cluster_config_with_warning = pcluster_config_reader(config_file=config_file, custom_ami=custom_ami)
+
+        # Test below is not compatible with `--cluster` flag. Therefore, skip it if the flag is provided.
+        if not request.config.getoption("cluster"):
+            _test_create_with_warnings(cluster_config_with_warning, clusters_factory)
 
     cluster = _test_create_cluster(clusters_factory, cluster_config, request)
     _test_describe_cluster(cluster)
     _test_list_cluster(cluster.name, "CREATE_COMPLETE")
 
-    _test_update_with_warnings(cluster_config_with_warning, cluster)
+    if "alinux" not in os and "us-iso" in region:
+        _test_update_with_warnings(cluster_config_with_warning, cluster)
     check_status(cluster, "CREATE_COMPLETE", "running", "RUNNING")
 
     filters = [{}, {"node_type": "HeadNode"}, {"node_type": "Compute"}, {"queue_name": "ondemand1"}]