changed build dir

.gitlab-ci.yml

 image: dorie/dune-env:2.4
 
+variables: CI_PROJECT_DIR: "/opt/dune/"
+
 stages:
   - build
   - test
 
 build_job:
   script:
-    - /opt/dune/dune-common/bin/dunecontrol all
-    - /opt/dune/dune-common/bin/dunecontrol make install
+    - ./dune-common/bin/dunecontrol --only=dorie all
+    - ./dune-common/bin/dunecontrol --only=dorie make install
   stage: build
 
 test_job:
   script:
-    - /opt/dune/dune-common/bin/dunecontrol make test
+    - ./dune-common/bin/dunecontrol --only=dorie make test
   stage: test