public void GetRemainingVendors_ReturnsUnusedVendors()
{
var unitOfWork = GetUnitOfWork();
var controller = new DistrictController(unitOfWork);
var result = controller.GetRemainingVendors(3);
Assert.IsNotNull(result);
var resultList = result.ToList();
Assert.AreEqual(1, resultList.Count);
Assert.AreEqual(2, resultList.First().VendorId);
}