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Describe the current behavior / 问题描述 (Mandatory / 必填)

当前torch_extension ut测试框架还没搭建起来，原本需要覆盖的torch_extension相关函数无法做ut覆盖，主要是以下这些文件夹下的函数
ops/ops-nn/matmul/fused_mat_mul/torch_extension/
ops/ops-nn/matmul/matmul_emu_split_weight/torch_extension/
ops/ops-nn/matmul/flat_quant/torch_extension/

Environment / 环境信息 (Mandatory / 必填)

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Steps to reproduce the issue / 重现步骤 (Mandatory / 必填)

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Describe the expected behavior / 预期结果 (Mandatory / 必填)

规避或者搭建torch_extension ut测试框架

Related log / screenshot / 日志 / 截图 (Mandatory / 必填)

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Special notes for this issue/备注 (Optional / 选填)