tests.yml: adjust WSL installation commands

.github/workflows/tests.yml

@@ -43,15 +43,49 @@ jobs:
                       /Library/Developer/CommandLineTools
           sudo xcode-select --reset
 
+      - name: Install WSL
+        if: runner.os == 'Windows'
+        shell: powershell
+        run: |
+          Write-Output "::group::Install Windows Subsystem for Linux"
+          winget install --name 'Windows Subsystem for Linux' --accept-source-agreements --accept-package-agreements --silent --verbose
+          Write-Output "::endgroup::"
+
+          # Install the new distro
+          $storeId="9PN20MSR04DW"
+          $launcher="ubuntu2204.exe"
+          $appxname="Ubuntu22.04LTS"
+
+          # Uninstall pre-existing appx
+          $pkgFullName = (Get-AppxPackage | Where-Object Name -like "CanonicalGroupLimited.${appxname}").PackageFullName
+          if ( "$pkgFullName" -ne "" ) {
+            Remove-AppxPackage "${pkgFullName}" 3>&1 2>&1 | Out-Null
+          }
+
+          # Unregister leftover distros
+          $env:WSL_UTF8=1
+          wsl.exe --shutdown
+          wsl.exe --unregister Ubuntu-22.04 3>&1 2>&1 | Out-Null
+
+          Write-Output "::group::Install a new distro"
+          winget install --id "${storeId}" --accept-source-agreements --accept-package-agreements --silent
+          Write-Output "::endgroup::"
+
+          # Register the new distro
+          & ${launcher} install --root --ui=none
+
+          # Testing succesful install
+          & ${launcher} run echo Created a new distro with user: '$(whoami)'
+
+          if ( ! $? ) { Exit(1) }
+
       - name: Set up WSL
         if: runner.os == 'Windows'
         shell: powershell
         run: |
           wsl --update
           wsl --version
           wsl --set-default-version 2
-          wsl --install Ubuntu-22.04 --no-launch
-          ubuntu2204 install --root
           wsl --set-default Ubuntu-22.04
           wsl --list --verbose
           wsl --exec apt-get update