Merge 65e90ad into 070b450

.travis.yml

@@ -1,4 +1,5 @@
 language: python
+cache: pip
 python:
   - "2.7"
   - "3.5"
@@ -9,8 +10,8 @@ install:
   - pip install python-coveralls 'coverage<5'
   - pip install -r requirements.txt
   - pip install -r requirements_diagrams.txt
-  - pip install -r requirements_test.txt
-script: pytest --doctest-modules --cov transitions/
+  - pip install -U -r requirements_test.txt
+script: pytest -nauto --doctest-modules --cov transitions/
 after_success:
   - coveralls --ignore-errors --config_file .coveragerc
 addons:

requirements_test.txt

@@ -1,5 +1,6 @@
 pytest
 pytest-cov
+pytest-xdist
 mock
 dill
 graphviz

tox.ini

@@ -6,7 +6,7 @@ skip_missing_interpreters = True
 deps = -rrequirements.txt
        -rrequirements_diagrams.txt
        -rrequirements_test.txt
-commands = pytest --doctest-modules
+commands = pytest -nauto --doctest-modules
 
 [testenv:check-manifest]
 deps = check-manifest