Create js tests which verify that every combination of WF, bounds (where appropriate), and sort order appropriately generates results or a parse error.  

The goal of this testing is primarily to ensure that we don't tassert, rather than checking for correctness of results – correctness has been checked in the unit tests for the WF execs.

Additionally it would be helpful to test if multiple WFs can be used within a $setWindowFields, as the spec calls for.