session-launcher.run() never resolves when connection established

[lasicol]

I encountered a couple of problems when launching the session:

• session-launcher.run() is an async function and it never resolves
• it was needed in the first place because there is no way to configure how often and how long to retry the connection... that is way using .exec() like in the example doesn't work for me

The run() never resolves because it resolves on tcp connection end...