enable pubsub tests

Author: ndyakov

.github/actions/run-tests/action.yml

@@ -50,6 +50,5 @@ runs:
         go test \
         --ginkgo.skip-file="ring_test.go" \
         --ginkgo.skip-file="sentinel_test.go" \
-        --ginkgo.skip-file="pubsub_test.go" \
         --ginkgo.skip-file="gears_commands_test.go" \
       shell: bash