Added tests accessing array elements through prop getter
Added tests accessing array elements through prop getter

swimlane/ngx-datatable,swimlane/ngx-datatable,achimha/ngx-datatable,achimha/ngx-datatable,achimha/ngx-datatable,swimlane/angular2-data-table,swimlane/angular2-data-table,swimlane/angular2-data-table,swimlane/ngx-datatable