[CI] Initialize warmup registry in V2 QSA runner fixture (#56707)

Signed-off-by: Lucas Wilkinson <lwilkins@redhat.com>
Co-authored-by: OpenAI Codex <codex@openai.com>

tests/v1/worker/test_gpu_model_runner_v2.py

@@ -8,6 +8,7 @@ import pytest
 import torch
 
 import vllm.v1.worker.gpu.model_runner as model_runner_module
+from vllm.model_executor.warmup.jit_warmup import JitWarmupRegistry
 from vllm.v1.kv_cache_interface import (
     CircularBufferSpec,
     FullAttentionSpec,
@@ -37,6 +38,7 @@ def test_qsa_circular_group_uses_custom_slot_mapping(monkeypatch):
         parallel_config=parallel_config,
         cache_config=SimpleNamespace(mamba_cache_mode="none"),
     )
+    runner.jit_warmup_registry = JitWarmupRegistry(runner.vllm_config)
     runner.model_state = SimpleNamespace(
         get_additional_cg_support=lambda: (),
         num_new_sampled_tokens_per_step=1,