updated pipeline

.gitlab-ci.yml

@@ -30,4 +30,4 @@ unit-test-job:   # This job runs in the test stage.
   stage: test    # It only starts when the job in the build stage completes successfully.
   script:
     - echo "Running unit tests... "
-    - echo "python tests/test_flip_image.py"
+    - python tests/test_flip_image.py