try this

Author: leofang

.github/workflows/test-wheel-windows.yml

@@ -115,7 +115,8 @@ jobs:
         run: |
           Invoke-WebRequest -Uri "$env:7Z_URL" -OutFile "7z_installer.msi"
           Start-Process msiexec.exe -Wait -Verbose -ArgumentList '/i "7z_installer.msi" /q INSTALLDIR="$((Get-Location).Path)\7-Zip"'
-          ls -l 7-Zip
+          #ls -l 7-Zip
+          Get-Location
           echo "$((Get-Location).Path)\7-Zip" >> $env:GITHUB_PATH
           $env:Path += ";$((Get-Location).Path)\7-Zip"
           7z --version