Added some tests which reveal a BC problem with r1108.  The change made in that revision will cause a "field is required" error to be thrown instead of a 'the value chosen is invalid' error when a "choose" option is selected.
Added some tests which reveal a BC problem with r1108.  The change made in that revision will cause a "field is required" error to be thrown instead of a 'the value chosen is invalid' error when a "choose" option is selected.

blazelibs/blazeform,blazelibs/blazeform,blazelibs/blazeform