install the [tests] optional deps for the CI test&coverage stages

.gitlab-ci.yml

@@ -47,7 +47,7 @@ test:
   script:
     - source venv/bin/activate
     - export JAVA_HOME=`python3 set_java_home.py`
-    - python3 -m pip install .
+    - python3 -m pip install .[tests]
     - cd test
     - python3 -m pytest PyhelpersTest.py # First test setup_orekit_data without the orekitdata library
     - python3 -m pip install git+https://gitlab.orekit.org/orekit/orekit-data.git
@@ -61,7 +61,7 @@ coverage:
   script:
     - source venv/bin/activate
     - export JAVA_HOME=`python3 set_java_home.py`
-    - python3 -m pip install .
+    - python3 -m pip install .[tests]
     - cd test
     - python3 -m pip install git+https://gitlab.orekit.org/orekit/orekit-data.git
     - python3 -m pytest --cov --cov-report term --cov-report xml:coverage.xml