diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e5ed33cf24a6627fe5b029da8991e442f91f45ea..52d501169f5813646f7163d2e1a8f7d48b48cd48 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,10 +1,9 @@
-image: ubuntu:18.04
-
 stages:
   - build
   - test
 
 ubuntu-build:
+  image: ubuntu:18.04
   stage: build
 
   before_script:
@@ -15,13 +14,18 @@ ubuntu-build:
     - export LIBRARY_PATH=/usr/local/lib/x86_64-linux-gnu:/lib/x86_64-linux-gnu:/usr/lib/x86_64-linux-gnu
     - export INCLUDE=/usr/include
     - make -C src
-  
+    - ./src/main
+    - test -f pres_temp_4D.nc
+    - ncdump -h pres_temp_4D.nc  
+
   artifacts:
     paths:
       - ./src/main
 
 ubuntu-test:
+  image: ubuntu:18.04
   stage: test
+  when: manual
   needs:
     - ubuntu-build
 
@@ -46,4 +50,10 @@ jet-build:
     - export LIBRARY_PATH=/usr/lib64
     - export INCLUDE=/usr/include
     - make -C src
+    - ./src/main
+    - test -f pres_temp_4D.nc
+    - ncdump -h pres_temp_4D.nc  
 
+  artifacts:
+    paths:
+      - ./src/main