Waive L0 test

Signed-off-by: Yiqing Yan <[email protected]>

Author: yiqingy0

tests/integration/test_lists/waives.txt

@@ -445,3 +445,4 @@ examples/test_medusa.py::test_llama_medusa_1gpu[llama-3.1-8b] SKIP (https://nvbu
 examples/test_phi.py::test_llm_phi_quantization_1gpu[Phi-4-mini-instruct-fp8-bfloat16] SKIP (https://nvbugspro.nvidia.com/bug/5226339)
 perf/test_perf.py::test_perf[gpt_350m-cppmanager-plugin-float16-bs:32-input_output_len:60,20] SKIP (https://nvbugs/5228840)
 perf/test_perf.py::test_perf[gpt_350m-cppmanager-static_batching-plugin-float16-bs:32-input_output_len:60,20] SKIP (https://nvbugs/5228840)
+accuracy/test_cli_flow.py::TestGpt2Medium::test_fp8_lm_head SKIP (https://nvbugs/5231769)