added install of dev requirements

.gitlab-ci.yml

@@ -12,6 +12,7 @@ test:
   script:
     - python3 setup.py install
     - pip3 install -r requirements-test.txt
+    - pip3 install -r requirements-dev.txt
     - flake8
     - mypy .
     - pytest --cov registrar --cov-report term-missing