CI: Adding some debugs and assuming test script picks up where build left off.

.gitlab-ci.yml

@@ -12,7 +12,12 @@ build-job:
       - mkdir build
       - cd build
       - cmake ..
-      - make
+      - make tests
+  artifacts:
+    untracked: false
+    expire_in: 30 days
+    paths:
+        - build/tests/tests
 
 unit-test-job:
   stage: test