ci: integrate pytest-deprecated-warnings

.gitlab-ci.yml

@@ -11,6 +11,9 @@ before_script:
 py3:
   stage: tests
   script: tox -e py3
+  artifacts:
+    paths:
+      - py3-deprecated-warnings.json
 
 flake8:
   stage: tests

tox.ini

@@ -4,6 +4,7 @@ envlist = py3,flake8,check-manifest,black
 [testenv]
 deps =
   pytest
+  git+https://github.com/psycojoker/pytest-capture-deprecatedwarnings
 commands =
   {envpython} -m pytest {posargs:test}