The feedback we have heard is the editor of choice is near-and-dear to a developer and would be difficult to force a new tool on anyone to edit code. Code hosting has a good solution with GitHub too. Which leaves testing and deployment up to the platform. Since we focus on giving two free REST services for publishing your own Jobs we put the deployment and testing into our web dashboard (and cli tool). Testing a REST API is easy and already integrated into our dashboard similar to Postman. The only code a developer has to write is a Job which is just 3 simple parts (inputs, outputs, and tasks). For us we wanted the .Net debugging power for every developer from our dashboard so we built it to identify tests that fail validation based off your test inputs and outputs versus your test's expected outputs.
Let me know what you think here's our beta vision based off our feedback for quickly developing and deploying REST API services for your own Jobs: https://flowstacks.com/developer/
Cheers