tests: waive test_llm_multi_node (#3664)

Signed-off-by: junq <[email protected]>

Author: QiJune

tests/unittest/llmapi/test_llm_multi_gpu.py

@@ -288,6 +288,7 @@ def run_command(command: str):
         raise e
 
 
+@pytest.mark.skip(reason="https://nvbugspro.nvidia.com/bug/5223608: timeout")
 @skip_single_gpu
 def test_llm_multi_node(engine_from_checkpoint: tempfile.TemporaryDirectory):
     # TODO[chunweiy]: reactivate this later