Add xfail to Llama stack upgrade tests because of RHAIENG-3650 (#1263)

Signed-off-by: Jiri Petrlik <jpetrlik@redhat.com>
Co-authored-by: Jorge <jgarciao@users.noreply.github.com>

Author: jiripetrlik

tests/llama_stack/inference/upgrade/test_upgrade_chat_completions.py

@@ -64,6 +64,7 @@ def test_inference_chat_completion_pre_upgrade(
 @pytest.mark.llama_stack
 class TestPostUpgradeLlamaStackInferenceCompletions:
     @pytest.mark.post_upgrade
+    @pytest.mark.xfail(reason="RHAIENG-3650")
     def test_inference_chat_completion_post_upgrade(
         self,
         unprivileged_llama_stack_client: LlamaStackClient,

tests/llama_stack/vector_io/upgrade/test_upgrade_vector_store_rag.py

@@ -109,6 +109,7 @@ def test_vector_store_rag_pre_upgrade(
 @pytest.mark.rag
 class TestPostUpgradeLlamaStackVectorStoreRag:
     @pytest.mark.post_upgrade
+    @pytest.mark.xfail(reason="RHAIENG-3650")
     def test_vector_store_rag_post_upgrade(
         self,
         unprivileged_llama_stack_client: LlamaStackClient,