code: def test_dtypes(dtype: DtypeEnum) -> None:
      """
      Validate data type behavior.
      """
      moe_test_helper(
          5120, 2048, 64, 32, ActivationType.IDENTITY, dtype
      )
  
file_path: deepspeed/tests/unit/inference/v2/kernels/cutlass_ops/test_moe_gemm.py
imports: import pytest
  import torch
  from deepspeed.accelerator import get_accelerator
  from deepspeed.inference.v2.inference_utils import ActivationType, DtypeEnum
  from deepspeed.inference.v2.kernels.cutlass_ops import MoEGEMM
  from ....v2.inference_test_utils import allclose
label_desc: Use image node_id 5 for calling a global function with example usage: test_dtypes(dtype) without return types