constructor() {
    this.server = createServer(options, (req, res) => this._requestHandler(req, res));
    this.debug = debug('release-it:gitlab-test-server');
  }
Basic https server to use for the Gitlab tests.
Uses a self-signed HTTPS certificate to allow testing gitlab release options
like `insecure` or `certificateAuthorityFile`.

The certicates were generated using the gen-cert.sh script in this folder
with the following command:

  `./gen-cert.sh localhost`