public void Suppliers_DeleteSupplier_ShouldReturnOK()
{
//Arrange
//Initialize();
//Act
OkNegotiatedContentResult <SUPPLIER> result = supplierController.DeleteSUPPLIER("1") as OkNegotiatedContentResult <SUPPLIER>;
Assert.IsNotNull(result);
Assert.AreEqual("1", result.Content.SUPLNO);
}