Added test for sandbox accessors.
Added test for sandbox accessors.

unitecontrol/contextify,beni55/contextify,narma/contextify,brianmcd/contextify,narma/contextify,unitecontrol/contextify,szarouski/contextify,beni55/contextify,brianmcd/contextify,szarouski/contextify,szarouski/contextify,narma/contextify,beni55/contextify,unitecontrol/contextify,brianmcd/contextify