travis with python and other services

.travis.yml

language: python

python:
    - "2.7"

services:
    - mongodb

install:
    - pip install -r requirements.txt

before_script:
    - gunicorn route:app --log-file=- --pid=/tmp/regis-gunicorn.pid --daemon

script:
    - nosetests tests/unit
    - pybot  -d /tmp --variable SERVER:"localhost:8000" tests/acceptance/