[TRTLLM-7030][fix] uppercase def value in pd-config (#6981)

Signed-off-by: ShiXiaowei02 <[email protected]>

Author: Shixiaowei02

tests/integration/defs/disaggregated/test_configs/disagg_config_gen_only_bs1.yaml

@@ -17,7 +17,7 @@ context_servers:
     enable_partial_reuse: False
   disable_overlap_scheduler: True
   cache_transceiver_config:
-    backend: default
+    backend: DEFAULT
   urls:
       - "localhost:8001"
 generation_servers:
@@ -32,6 +32,6 @@ generation_servers:
     free_gpu_memory_fraction: 0.2
     enable_partial_reuse: False
   cache_transceiver_config:
-    backend: default
+    backend: DEFAULT
   urls:
       - "localhost:8002"

tests/integration/test_lists/waives.txt

@@ -315,9 +315,5 @@ triton_server/test_triton_llm.py::test_gpt_speculative_decoding_bls[False-False-
 accuracy/test_disaggregated_serving.py::TestLlama3_1_8BInstruct::test_ctx_pp_gen_tp_asymmetric[GSM8K-gen_tp=1-ctx_pp=4] SKIP (https://nvbugs/5434320)
 accuracy/test_disaggregated_serving.py::TestQwen3_8B::test_nixl_backend SKIP (https://nvbugs/5448437)
 accuracy/test_disaggregated_serving.py::TestDeepSeekV3Lite::test_nixl_backend SKIP (https://nvbugs/5448437)
-disaggregated/test_disaggregated.py::test_disaggregated_benchmark_on_diff_backends[DeepSeek-V3-Lite-bf16] SKIP (https://nvbugs/5459811)
-disaggregated/test_disaggregated.py::test_disaggregated_benchmark_on_diff_backends[llama-3.1-8b-instruct-hf-fp8] SKIP (https://nvbugs/5459811)
-disaggregated/test_disaggregated.py::test_disaggregated_benchmark_on_diff_backends[DeepSeek-V3-Lite-fp8] SKIP (https://nvbugs/5459811)
-disaggregated/test_disaggregated.py::test_disaggregated_benchmark_on_diff_backends[llama-v3-8b-hf] SKIP (https://nvbugs/5459811)
 accuracy/test_llm_api_pytorch.py::TestDeepSeekR1::test_nvfp4_multi_gpus[latency_trtllmgen] SKIP (https://nvbugs/5445466)
 test_e2e.py::test_ptp_quickstart_multimodal[mistral-small-3.1-24b-instruct-Mistral-Small-3.1-24B-Instruct-2503-image-True] SKIP (https://nvbugs/5459817)