Added coverage

.gitlab/ci/coverage.gitlab-ci.yml

@@ -27,7 +27,7 @@ coverage:ubuntu_python:
   script:
     - source venv/bin/activate
     - python3 -m pip install numpy coverage
-    - cd $PROJECT_NAME
+    - cd ${CI_PROJECT_NAME}
     - python3 -m coverage run --source=. -m unittest discover -s unit_tests/ -v -b
     - python3 -m coverage report
     - python3 -m coverage xml
@@ -36,4 +36,4 @@ coverage:ubuntu_python:
     reports:
       coverage_report:
         coverage_format: cobertura
-        path: $PROJECT_NAME/coverage.xml
+        path: ${CI_PROJECT_NAME}/coverage.xml