[GitLabCI] Update test.

.gitlab/ci/test.gitlab-ci.yml

@@ -5,7 +5,7 @@ test:ubuntu_cpp:
     - docker
   image: n2d2-ci/ubuntu20.04/cpu:latest
   script:
-    - cd build
+    - cd build_test
     - ctest --output-on-failure
 
 test:ubuntu_python:
@@ -16,6 +16,7 @@ test:ubuntu_python:
   image: n2d2-ci/ubuntu20.04/cpu:latest
   script:
     - cd aidge_core
+    - python3 -m pip list
     # Run on discovery all tests located in core/unit_tests/python and discard the stdout 
     # only to show the errors/warnings and the results of the tests
     - python3 -m unittest discover -s unit_tests/ -v -b 1> /dev/null