Test push & PRs only when workflow file changes
Test push & PRs only when workflow file changes

Also, add comments to clarify what the test is testing

xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS