chore: remove ck tensorwise pytest skip

[RuibinCheung]

Description

Remove the pytest.skip guard that was unconditionally skipping CK and default (None) backends in test_grouped_gemm_fp8_tensorwise. The skip was originally added as a workaround for CK numerical issues which have since been resolved in newer hipcc as image upgrade to primus/26.2 .

Type of change

• Documentation change (change only to the documentation, either a fix or a new content)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Infra/Build change
• Code refactoring

Changes

• Remove the pytest.skip("CK backend has numerical issues currently") block in test_grouped_gemm_fp8_tensorwise that was skipping BackendType.CK and None (default) backends.
• This re-enables tensorwise FP8 grouped GEMM test coverage for CK and default backend dispatch paths.

Checklist:

• The functionality is complete
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[cursor]

安全审查完成：未发现由本 PR 引入或暴露的中高危及以上漏洞。

本次变更仅删除 tests/pytorch/ops/test_grouped_gemm_fp8.py 中 CK/默认 backend 的 pytest skip，扩大测试执行覆盖；未修改生产代码、外部输入处理、认证/授权边界、日志、网络/文件访问或依赖。之前没有未解决的自动化安全审查线程需要重新报告。

  

_{Sent by Cursor Automation: Find vulnerabilities}

[Copilot]

Pull request overview

Re-enables coverage for tensorwise FP8 grouped GEMM across CK and default (backend None) dispatch paths by removing an unconditional pytest.skip that was masking those backends.

Changes:

• Removed the unconditional skip for BackendType.CK and backend=None in test_grouped_gemm_fp8_tensorwise.
• Restored execution of tensorwise FP8 grouped GEMM tests for CK and default backend selection.

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