mock no longer required for tests

.travis.yml

@@ -8,7 +8,6 @@ cache: pip
 before_script:
   - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
   - chmod +x ./cc-test-reporter
-  - pwd
   - ./cc-test-reporter before-build
   - pip install -r requirements.txt
   - pip install -U pytest-xdist pytest-cov pytest pytest-forked pluggy py