add tests as net sln item, for quick access
add tests as net sln item, for quick access

AlekseyMartynov/DevExtreme.AspNet.Data,DevExpress/DevExtreme.AspNet.Data,AlekseyMartynov/DevExtreme.AspNet.Data,AlekseyMartynov/DevExtreme.AspNet.Data,DevExpress/DevExtreme.AspNet.Data,AlekseyMartynov/DevExtreme.AspNet.Data,DevExpress/DevExtreme.AspNet.Data,DevExpress/DevExtreme.AspNet.Data