Can someone explain the correct usage of the 'Test and Approve' feature + test groups?

Can someone explain the correct usage of the 'Test and Approve' feature + test groups?

The documentation for 'Test and Approve' is not very clear on the specific implementation of the feature:   https://www.manageengine.com/patch-management/help/test-approve-patches.html#test

Consider this:

- An automated deployment called 'Workstation Patches' that applies patches to all (100) Windows 7 workstations
- A group called 'Windows 7 Test Group' that contains (5) Windows workstations targeted by the 'Workstation Patches' deployment
- Approval type set to "Test and Approve' 

I want unapproved patches to automatically deploy to the Windows 7 Test Group.  If a patch deploys successfully to the test group, automatically approve the patch.     Is the above configuration the correct way to do this, or do I need to create a second deployment specifically for the test group?

Thanks!

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