The prepared workspace is in a different place.

Also do the fix from #22 to actually check if tests are successful.

.gitlab-ci.yml

@@ -13,8 +13,11 @@ build_enabled:
   script:
     - lttng-sessiond --daemonize
     - pwd
+    - . /root/ws/install/local_setup.sh
     - colcon build --symlink-install --cmake-args " -DWITH_LTTNG=ON" --packages-up-to $PACKAGES_LIST
-    - . install/local_setup.sh && colcon test --packages-select $PACKAGES_LIST
+    - . install/local_setup.sh
+    - colcon test --packages-select $PACKAGES_LIST
+    - colcon test-result
   artifacts:
     paths:
       - install