ci: fix CI job override

Signed-off-by: Bart Jaskulski <bjaskulski@protonmail.com>

.gitlab-ci.yml

@@ -3,10 +3,6 @@ variables:
 
 include: 'https://gitlab.wpdesk.dev/wpdesk/gitlab-ci/raw/master/gitlab-ci-1.2.yml'
 
-unit test lastest:
-  script:
-    - composer test
-
-unit test lastest coverage:
+test:unit:
   script:
     - composer test