[CI/Build][AMD] Skip test_cutlass_w4a8_moe tests on ROCm sine they require...

[CI/Build][AMD] Skip test_cutlass_w4a8_moe tests on ROCm sine they require cutlass_pack_scale_fp8 (#30508)
Signed-off-by: Randall Smith <ransmith@amd.com>
Signed-off-by: Michael Goin <mgoin64@gmail.com>
Signed-off-by: mgoin <mgoin64@gmail.com>
Co-authored-by: Randall Smith <ransmith@amd.com>
Co-authored-by: Michael Goin <mgoin64@gmail.com>
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

tests/kernels/quantization/test_cutlass_w4a8_moe.py

@@ -18,7 +18,9 @@ from vllm.model_executor.layers.quantization.utils.quant_utils import (
 from vllm.platforms import current_platform
 from vllm.scalar_type import ScalarType, scalar_types
 
-IS_SUPPORTED_BY_GPU = current_platform.get_device_capability()[0] >= 9
+IS_SUPPORTED_BY_GPU = (
+    current_platform.is_cuda() and current_platform.get_device_capability()[0] >= 9
+)
 
 
 def to_fp8(tensor: torch.Tensor) -> torch.Tensor: