The GitLab UI allows the use of a Regex only. No chance to use a tool like xmllint.
Kai
1
You have a docker image based on ubuntu equipped with Java and Maven, right? What keeps you from installing libxml2-utils and add the command I provided in previous comment to script part of your .gitlab-ci.yml instead of cating the HTML? (see http://quaintous.com/2016/08/12/test-and-code-coverage-with-gitlab-ci/)