I really enjoyed the test option to check that the package could be succesfully built with makepkg. The only flaw for me is that its command line flags are fixed:

Changes

This PR adds a new input called test_flags which sets the command line flags for makepkg.
Its default value falls back to the old behavior, so there are no regression problems.

Furthermore, it makes the builder user a sudoer so it is able to install the dependencies.

Example

I use it in this workflow where I need to install dependencies in order to build the package, and I also check that it installs successfully. Here is the interesting snippet:

      - name: Publish PKGBUILD
        uses: fuljo/github-actions-deploy-aur@master
        with:
          pkgname: rofi-vscode-mode
          pkgbuild: PKGBUILD
          updpkgsums: true
          test: true
          test_flags: --clean --cleanbuild --syncdeps --install --noconfirm
          commit_username: ${{ secrets.AUR_USERNAME }}
          commit_email: ${{ secrets.AUR_EMAIL }}
          ssh_private_key: ${{ secrets.AUR_SSH_PRIVATE_KEY }}

You can see a succesful run of my fork here.