Acceptance tests: show test report on GitLab CI

Avocado will, by default, produce JUnit files.  Let's ask GitLab
to present those in the web UI.

Signed-off-by: Cleber Rosa <crosa@redhat.com>
Message-Id: <20201009205513.751968-4-crosa@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

.gitlab-ci.yml

@@ -53,6 +53,11 @@ include:
     paths:
       - ${CI_PROJECT_DIR}/avocado-cache
     policy: pull-push
+  artifacts:
+    paths:
+      - build/tests/results/latest/results.xml
+    reports:
+      junit: build/tests/results/latest/results.xml
   before_script:
     - mkdir -p ~/.config/avocado
     - echo "[datadir.paths]" > ~/.config/avocado/avocado.conf