[nvbug 5283506] fix: Fix spec decode triton test (#4845)

Signed-off-by: Patrice Castonguay <55748270+pcastonguay@users.noreply.github.com>

tests/integration/test_lists/waives.txt

@@ -376,7 +376,6 @@ examples/test_gpt.py::test_starcoder_fp8_quantization_2gpu[starcoderplus] SKIP (
 examples/test_whisper.py::test_llm_whisper_general[large-v3-disable_gemm_plugin-disable_attention_plugin-disable_weight_only-float16-nb:1-use_python_runtime] SKIP (https://nvbugs/5244570)
 triton_server/test_triton_rcca.py::test_mistral_beam_search[rcca_4714407-True-10---False-True-False-0-128-disableDecoupleMode-inflight_fused_batching-disableTrtOverlap--guaranteed_no_evict---1-1-1-False-ensemble] SKIP (https://nvbugs/5240060)
 triton_server/test_triton.py::test_triton_extensive[triton-extensive] SKIP
-triton_server/test_triton.py::test_gpt_speculative_decoding[gpt-speculative-decoding] SKIP
 triton_server/test_triton.py::test_qwen2_vl[qwen2_vl] SKIP
 triton_server/test_triton.py::test_gpt_ib_speculative_decoding_bls[gpt-ib-speculative-decoding-bls] SKIP
 triton_server/test_triton_llm.py::test_mistral_v1_multi_models[False-1---False-True-False-0-128-enableDecoupleMode-inflight_fused_batching-disableTrtOverlap--max_utilization-4096--1-1-1-False-ensemble] SKIP

triton_backend/tools/dataset/mini_cnn_eval_spec_decoding.json

@@ -1,9 +1,4 @@
 [
-    {
-        "input": "(CNN)Following last year's successful U.K. tour, Prince and 3rdEyeGirl are bringing the Hit & Run Tour to the U.S. for the first time. The first -- and so far only -- scheduled show will take place in Louisville, Kentucky, the hometown of 3rdEyeGirl drummer Hannah Welton. Slated for March 14, tickets will go on sale Monday, March 9 at 10 a.m. local time. Prince crowns dual rock charts . A venue has yet to be announced. When the Hit & Run worked its way through the U.K. in 2014, concert venues were revealed via Twitter prior to each show. Portions of the ticket sales will be donated to various Louisville charities. See the original story at Billboard.com. ©2015 Billboard. All Rights Reserved.",
-        "instruction": "Summarize the following news article:",
-        "output": "It will be a first time for the tour stateside .\nFirst show will be in Louisville, Kentucky ."
-    },
     {
         "input": "March 10, 2015 . We're truly international in scope on Tuesday. We're visiting Italy, Russia, the United Arab Emirates, and the Himalayan Mountains. Find out who's attempting to circumnavigate the globe in a plane powered partially by the sun, and explore the mysterious appearance of craters in northern Asia. You'll also get a view of Mount Everest that was previously reserved for climbers. On this page you will find today's show Transcript and a place for you to request to be on the CNN Student News Roll Call. TRANSCRIPT . Click here to access the transcript of today's CNN Student News program. Please note that there may be a delay between the time when the video is available and when the transcript is published. CNN Student News is created by a team of journalists who consider the Common Core State Standards, national standards in different subject areas, and state standards when producing the show. ROLL CALL . For a chance to be mentioned on the next CNN Student News, comment on the bottom of this page with your school name, mascot, city and state. We will be selecting schools from the comments of the previous show. You must be a teacher or a student age 13 or older to request a mention on the CNN Student News Roll Call! Thank you for using CNN Student News!",
         "instruction": "Summarize the following news article:",