add test for bug with dataSource in wrapper.js
add test for bug with dataSource in wrapper.js

istrel/basisjs,tyanas/basisjs,fateevv/basisjs,tyanas/basisjs,tyanas/basisjs,basisjs/basisjs,fateevv/basisjs,fateevv/basisjs,smelukov/basisjs,basisjs/basisjs,istrel/basisjs,istrel/basisjs,smelukov/basisjs,basisjs/basisjs,smelukov/basisjs