feat: add mtp ut case

Signed-off-by: 赵江江 <[email protected]>

Author: 赵江江

tests/e2e/singlecard/spec_decode_v1/test_v1_spec_decode.py

@@ -126,7 +126,7 @@ def test_eagle_correctness(
         enable_chunked_prefill=True,
         max_num_seqs=1,
         max_num_batched_tokens=2048,
-        gpu_memory_utilization=0.5,
+        gpu_memory_utilization=0.6,
         speculative_config={
             "method": "eagle3" if use_eagle3 else "eagle",
             "model": spec_model_name,