add missing requirements for dev

fight with CI

.gitlab-ci.yml

@@ -30,5 +30,4 @@ test-backend:
     DJANGO_SETTINGS_MODULE: "metagenedb.settings-gitlab-ci"
   script:
     - flake8 --max-line-length 120
-    - coverage run --source='.' scripts/manage.py test metagenedb/tests
-    - coverage report
+    - pytest --cov .

backend/requirements_dev.txt

@@ -5,7 +5,9 @@ Django==2.2.1
 django-cors-headers==3.0.2
 django-environ==0.4.5
 django-extensions==2.1.7
+django-filter==2.1.0
 djangorestframework==3.9.4
+djangorestframework-jwt==1.11.0
 entrypoints==0.3
 flake8==3.7.7
 importlib-metadata==0.18
@@ -17,9 +19,11 @@ psycopg2==2.8.2
 py==1.8.0
 pycodestyle==2.5.0
 pyflakes==2.1.1
+PyJWT==1.7.1
 pyparsing==2.4.0
 pytest==4.6.3
 pytest-cov==2.7.1
+pytest-django==3.5.0
 pytz==2019.1
 six==1.12.0
 sqlparse==0.3.0