public void BulkCreate_PostedInvoicesToSave_SuccessfulRedirectToRoute()
{
//arrange
var invoices = new List <CreateBulkInvoiceViewModel>();
mockInvoiceService.Setup(s => s.BulkCreate(It.IsAny <List <CreateBulkInvoiceViewModel> >())).Returns(1);
//act
var result = (RedirectToActionResult)_controller.BulkCreate(invoices);
//ass
Assert.AreEqual("BulkMain", result.ActionName); //ensure redirect successfully to this route
}