One of the manual processes that we have at SMEx is that when a pull request is accepted, the reviewer needs to go to the linked work item and update the state to "Testing" then create a child task and assign it to the QA staff to test the PBI before it can finally be marked as "Done"

It's a tedious process with many clicks involved, and I think most of the devs here follow the process, sometimes it is still missed. So I began exploring ways to automate the creation of this child testing task.

Thankfully Microsoft has a workflow engine called Flow that plays nicely with VSTS. So here's what you need to do:

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