Enable database.

.travis.yml

@@ -4,9 +4,15 @@ language: python
 python:
   - "3.6"
 
+services:
+  - postgresql
+
 install:
   - pip install -r src/requirements/dev.txt
 
+before_script:
+  - psql -c "CREATE ROLE bornhack WITH LOGIN PASSWORD 'bornhack';"
+
 script:
   - cp src/bornhack/environment_settings.py.dist.dev src/bornhack/environment_settings.py
   - cd src; python manage.py test