[CI] Add compile/test_multimodal_compile.py to CI (#28151)

Signed-off-by: Yanan Cao <gmagogsfm@gmail.com>
Co-authored-by: Isotr0py <mozf@mail2.sysu.edu.cn>

.buildkite/test-pipeline.yaml

@@ -460,6 +460,7 @@ steps:
   - tests/compile
   commands:
   - pytest -v -s compile/test_basic_correctness.py
+  - pytest -v -s compile/test_multimodal_compile.py
   - pytest -v -s compile/piecewise/
 
 - label: PyTorch Fullgraph Test # 22min

tests/compile/test_multimodal_compile.py

@@ -4,10 +4,12 @@ import pytest
 
 from vllm.compilation.counter import compilation_counter
 from vllm.config.compilation import CompilationMode
+from vllm.platforms import current_platform
 
 
 # forked needed to workaround https://github.com/vllm-project/vllm/issues/21073
 @pytest.mark.forked
+@pytest.mark.skipif(not current_platform.is_cuda(), reason="Skip if not cuda")
 def test_qwen2_5_vl_compilation(vllm_runner, monkeypatch):
     """Test that Qwen2.5-VL vision submodules are compiled.