Would GitHub Actions be of any interest?

From my understanding, the project can be built and unit tested in the GitHub environment, and Actions is what controls this.
I think it would benefit the project to have automated unit tests being run when someone sends a pull request or similar.

Currently, I don't have any experience with this. My workplace project has a CI pipeline that uses Gerrit and Jenkins. This environment is different, but hopefully it can do similar things. If there is any interest, I'm willing to give it a try, to set up the flow. Even if it fails, I can hopefully learn something.

Start by checking how the Java project is currently built and unit tested, then review GitHub Actions workflow configuration for running those checks on pull requests. Done means the project’s unit tests run automatically for pull requests and the workflow reports whether they pass.

Written by the indexing model from the issue text.