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No modifications were made to the test plan, however this scenario uncovered a funcationality issue with Sakai.
Thomas and Sandra noticed that both "The Staff" and the substituted instructor still appeared in the roster information for the course site. After posting a question on the Sakai collab site, I found that this is a functionality issue with the Sakai framework. The changes that should be propogated from an external source (mViews) to the grants (e.g. providers/authZGroupService) are reflected upon login change or a explicit update of the Realm in question. Due to this current functionality, we may have to list this as a known issue until the community can resolve it.
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