It looks like your topic is missing some important information. Could you provide the following if applicable.
- n8n version:
- Database (default: SQLite):
- n8n EXECUTIONS_PROCESS setting (default: own, main):
- Running n8n via (Docker, npm, n8n cloud, desktop app):
- Operating system:
Hi @danschwab2002 ,
Welcome to the community! 
What message do you get in your logs when this happens?
There is no message. I have the same issue.
The Test workflow is just hanging forever with the spinner. Please check my earlier post on this same topic.