imported tag to tag 'channels' on RoleSelectChannelsTest to see if the pipeline can get past more similar complications

.woodpecker.yaml

@@ -37,7 +37,8 @@ steps:
       - pip install -r requirements.txt
       - cd ./src
       - python manage.py collectstatic --noinput
-      - python manage.py test functional_tests --parallel
+      - python manage.py test functional_tests --parallel --exclude-tag=channels
+      - python manage.py test functional_tests --tag=channels
     when:
       - event: push