[https://nvbugs/5444095][infra] waive test_ptp_quickstart_multimodal llava test (#6795)

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

Author: yechank-nvidia

tests/integration/test_lists/waives.txt

@@ -286,3 +286,4 @@ accuracy/test_llm_api_pytorch.py::TestQwen3_235B_A22B::test_nvfp4[latency_moe_tr
 accuracy/test_llm_api_pytorch.py::TestGemma3_27BInstruct::test_fp8_prequantized SKIP (https://nvbugs/5445774)
 accuracy/test_disaggregated_serving.py::TestQwen3_8B::test_nixl_backend SKIP (https://nvbugs/5448437)
 disaggregated/test_disaggregated.py::test_disaggregated_benchmark_on_diff_backends[DeepSeek-V3-Lite-fp8] SKIP (https://nvbugs/5448449)
+test_e2e.py::test_ptp_quickstart_multimodal[llava-v1.6-mistral-7b-llava-v1.6-mistral-7b-hf-image-False] SKIP (https://nvbugs/5444095)