diff --git a/tests/integration/defs/test_e2e.py b/tests/integration/defs/test_e2e.py
index 6239be2373b3..32ef7468697f 100644
--- a/tests/integration/defs/test_e2e.py
+++ b/tests/integration/defs/test_e2e.py
@@ -1948,8 +1948,23 @@ def test_eagle3_output_repetition_4gpus(model_dir: str, draft_model_dir: str):
         CudaGraphConfig(),
     }
 
-    # Test prompt
-    prompt = "Who are you?"
+    # Test prompt. It has to go through the chat template: a bare string makes
+    # the model continue arbitrary text instead of answering a turn, so it
+    # never emits <|im_end|> and keeps generating until it hits max_tokens --
+    # by which point it is looping over whatever it last said. That
+    # degeneration comes from the prompt, not from Eagle3, and it is what made
+    # this test flaky (nvbugs/6627979).
+    from transformers import AutoTokenizer
+    tokenizer = AutoTokenizer.from_pretrained(target_model_dir)
+    prompt = tokenizer.apply_chat_template(
+        [{
+            "role": "user",
+            "content": "Who are you?"
+        }],
+        tokenize=False,
+        add_generation_prompt=True,
+        enable_thinking=False,
+    )
     sampling_params = SamplingParams(max_tokens=1024, temperature=0)
 
     # Run with Eagle3
diff --git a/tests/integration/test_lists/waives.txt b/tests/integration/test_lists/waives.txt
index 6adff766d605..01e4f50147f2 100644
--- a/tests/integration/test_lists/waives.txt
+++ b/tests/integration/test_lists/waives.txt
@@ -221,7 +221,6 @@ full:GB300/accuracy/test_llm_api_pytorch_multimodal.py::TestExaone4_5_33B::test_
 full:GB300/accuracy/test_llm_api_pytorch_multimodal.py::TestGemma3_27BInstruct::test_fp8_prequantized SKIP (https://nvbugs/6479708)
 full:GB300/disaggregated/test_disaggregated.py::test_disaggregated_deepseek_v3_lite_fp8_attention_dp_overlap[DeepSeek-V3-Lite-fp8] SKIP (https://nvbugs/6581064)
 full:GB300/disaggregated/test_disaggregated.py::test_disaggregated_logprobs_serving[llama-3.1-8b-instruct] SKIP (https://nvbugs/6657522)
-full:GB300/test_e2e.py::test_eagle3_output_repetition_4gpus[Qwen3/Qwen3-30B-A3B-Qwen3/Qwen3-30B-eagle3] SKIP (https://nvbugs/6627979)
 full:GB300/unittest/_torch/executor/test_overlap_scheduler.py::test_overlap_scheduler_consistency[block_reuse-python_scheduler-TRTLLMSampler] SKIP (https://nvbugs/6608387)
 full:GB300/unittest/_torch/executor/test_overlap_scheduler.py::test_overlap_scheduler_consistency[block_reuse-python_scheduler-TorchSampler] SKIP (https://nvbugs/6608387)
 full:GB300/unittest/_torch/executor/test_overlap_scheduler.py::test_overlap_scheduler_consistency[no_reuse-cpp_scheduler-TRTLLMSampler] SKIP (https://nvbugs/6608387)
@@ -240,7 +239,6 @@ full:H100/accuracy/test_llm_api_pytorch_multimodal.py::TestExaone4_5_33B::test_a
 full:H100/accuracy/test_llm_api_pytorch_multimodal.py::TestExaone4_5_33B::test_auto_dtype[full_budget] SKIP (https://nvbugs/6597570)
 full:H100/disaggregated/test_disaggregated.py::test_disaggregated_logprobs_serving[llama-3.1-8b-instruct] SKIP (https://nvbugs/6275959)
 full:H100/disaggregated/test_disaggregated.py::test_disaggregated_stress_test[input8k-output1k-conc512-qwen3_32b_fp8_stress] SKIP (https://nvbugs/6312828)
-full:H100/test_e2e.py::test_eagle3_output_repetition_4gpus[Qwen3/Qwen3-30B-A3B-Qwen3/Qwen3-30B-eagle3] SKIP (https://nvbugs/6627979)
 full:H100_PCIe/unittest/llmapi/test_llm_pytorch.py::test_llama_7b_multi_lora_evict_and_reload_lora_gpu_cache SKIP (https://nvbugs/5682551)
 full:H20/accuracy/test_disaggregated_serving.py::TestDeepSeekV3Lite::test_auto_dtype[mtp_nextn=2-overlap_scheduler=False] SKIP (https://nvbugs/6345827)
 full:H20/accuracy/test_disaggregated_serving.py::TestDeepSeekV3Lite::test_auto_dtype[mtp_nextn=2-overlap_scheduler=True] SKIP (https://nvbugs/6345827)