ci: verbose pytest

Author: sbidoul

tox.ini

@@ -17,7 +17,7 @@ python =
 extras = test
 usedevelop = true
 commands =
-  pytest -n auto --cov --cov-branch --cov-report=xml --cov-report=html --cov-report=term {posargs}
+  pytest -vv -n auto --cov --cov-branch --cov-report=xml --cov-report=html --cov-report=term {posargs}
 
 [testenv:py27]
 # run only helper scripts tests on python 2