Adapt fixture-kit to gsm8k mixin (#15599)

test/srt/models/test_vlm_models.py

@@ -5,8 +5,8 @@ import unittest
 from types import SimpleNamespace
 
 from sglang.srt.utils import is_hip
-from sglang.test.mmmu_vlm_mixin import DEFAULT_MEM_FRACTION_STATIC, MMMUVLMMixin
-from sglang.test.test_utils import CustomTestCase, is_in_ci
+from sglang.test.kits.mmmu_vlm_kit import DEFAULT_MEM_FRACTION_STATIC, MMMUVLMTestBase
+from sglang.test.test_utils import is_in_ci
 
 _is_hip = is_hip()
 # VLM models for testing
@@ -20,7 +20,7 @@ else:
     ]
 
 
-class TestVLMModels(MMMUVLMMixin, CustomTestCase):
+class TestVLMModels(MMMUVLMTestBase):
     def test_vlm_mmmu_benchmark(self):
         """Test VLM models against MMMU benchmark."""
         models_to_test = MODELS