Here are the additional tests (code + docs) that seem to be needed:

Context Control Enhancements
--need SUnit test for ContextPart>>return
--need SUnit test for ContextPart>>restart
--need SUnit test for ContextPart>>jump
--& etc.

Process Control Enhancements
--need SUnit test for Process>>completeStep:
--& etc.

Debugger Enhancements
--need test plan that testers can walk through via the UI

ContextTags 
--need SUnit test for MethodContext>>contextTag

Exceptions Refactored 
--need SUnit test for Exception>>initialContext
--need SUnit test for Exception>>handlerContext
--need SUnit test for copying contexts safely 
--need SUnit test for searching for handler contexts

Miscellaneous 
--need SUnit tests for "general additions to basic objects, collections, and streams" found in changeset #1 in ZIP


See http://minnow.cc.gatech.edu/squeak/ClosureCompiler for details about this enhancement.