public void CreateInvoiceTest()
{
Shoes shoes = randomFiller.CreateShoes();
ShoesPair shoesPair = randomFiller.CreateShoesPair(shoes);
Client client = randomFiller.CreateClient();
Transaction created = randomFiller.CreateInvoice(client, shoesPair);
Assert.IsFalse(created.Client == null);
Assert.IsFalse(created.ShoesPair == null);
Assert.AreEqual(created.Count, 1);
Assert.IsFalse(created.Date == null);
}
