Add action test

[chvmvd]

No description provided.

[chvmvd]

Error occurred. Below is the error message.

Run /home/runner/work/_actions/rossjrw/pr-preview-action/v1/lib/find-current-git-tag.sh -p $actionrepo -f $actionref
some parameters are empty

Usage: /home/runner/work/_actions/rossjrw/pr-preview-action/v1/lib/find-current-git-tag.sh -p github_repository -f git_ref
	-p GitHub repository to clone, format: owner/repo
	-f Reference of repository to clone
Error: Process completed with exit code 1.

It looks like ${{ github.action_ref }} and ${{ github.action_repository }} are empty when running on composite action in rossjrw/pr-preview-action@v1 like this.

Run echo "action=$action" >> $GITHUB_ENV

......

  env:
    action: auto
    umbrella: pr-preview
    pr: 6
    actionref:
    actionrepo:
    customurl:

It looks like this is a bug of GitHub Actions. See actions/runner#2473.