test engine fix

.gitignore

@@ -6,6 +6,8 @@ satella.sublime*
 hs_err_pid*.log
 *.pydevproject
 .project
+venv
+coverage.xml
 .metadata
 lock
 bin/

.travis.yml

@@ -10,8 +10,7 @@ before_script:
   - chmod +x ./cc-test-reporter
   - ./cc-test-reporter before-build
   - pip install -r requirements.txt
-  - pip install pytest-xdist pytest-cov pytest pytest-forked pluggy
-  - pip install -U py==1.4.29
+  - pip install -U pytest-xdist pytest-cov pytest pytest-forked pluggy py mock
 jobs:
   include:
     - stage: test