dojox.grid.EnhancedGrid Leak Test Programmatic

Please follow below two steps and see the doh test output in console: ( TEST SUMMARY )

1> click "Toggle Grid Programmatic" button, wait until grid created.

2> click "Toggle Grid Programmatic" button again to destroy Grid, all event connections, topics, and checkbox widgets should be destroyed, please check with debugging console, if there are no failures, means no leak. If there are one or more failures, means leak exist.