skip test_mtp_correctness

Signed-off-by: MengqingCao <cmq0113@163.com>

Author: MengqingCao

tests/e2e/singlecard/spec_decode_v1/test_v1_mtp_correctness.py

@@ -50,6 +50,7 @@ def model_name():
     return "wemaster/deepseek_mtp_main_random_bf16"
 
 
+@pytest.mark.skipif(True, reason="TODO: Enable me after test_mtp_correctness is fixed")
 def test_mtp_correctness(
     monkeypatch: pytest.MonkeyPatch,
     test_prompts: list[list[dict[str, Any]]],