ci: integrate pytest-deprecated-warnings

.gitlab-ci.yml

@@ -11,3 +11,6 @@ py27:
 
 py3:
   script: tox -e py3
+  artifacts:
+    paths:
+      - py3-deprecated-warnings.json

tox.ini

@@ -5,6 +5,7 @@ envlist = py27,py3,flake8
 deps =
   pytest
   webtest
+  git+https://github.com/psycojoker/pytest-capture-deprecatedwarnings
 commands =
   {envpython} -m pytest {posargs:test}