Update TOX_ENVLIST

.gitlab-ci.yml

@@ -25,6 +25,9 @@ test:
       coverage_report:
         coverage_format: cobertura
         path: ./artefacts/coverage.xml
+  variables:
+    TOX_ENVLIST: "black,flake8,py3"
+
 
 pypi-release:
   image: "${CI_REGISTRY_IMAGE}/${CI_COMMIT_BRANCH}:${CI_COMMIT_SHA}"