diff --git a/tests/diffusion/kernels/mot/test_mot_linear.py b/tests/diffusion/kernels/mot/test_mot_linear.py
index 9fd0dab58..0ae55dfa7 100644
--- a/tests/diffusion/kernels/mot/test_mot_linear.py
+++ b/tests/diffusion/kernels/mot/test_mot_linear.py
@@ -48,6 +48,8 @@ from vllm_omni.diffusion.layers.mot.ops.mot_gemm import (
     get_best_mot_config,
 )
 
+pytestmark = [pytest.mark.core_model, pytest.mark.diffusion, pytest.mark.gpu]
+
 # ---------------------------------------------------------------------------
 # Constants
 # ---------------------------------------------------------------------------