public void TestAddDuplicateProduct()
{
onSetUp();
var productBuilder = new ProductBuilder().setGtin(GTIN);
var productRequest = productBuilder.CreateDuplicateProductRequest();
try
{
productController.Post(productRequest);
Assert.Fail("Expected exception to be thrown.");
}
catch (MalformedRequestException e)
{
Assert.IsTrue(e.Message.Contains(GTIN));
}
}