public void XmlRepositoryModelLoadTest()
        {
            Repository = new XmlRepository(new XmlRepositorySettings(XmlFilePath, FileMode.Create));

            AddTestDataToRepository();
            Repository.SaveChanges();

            Repository = new XmlRepository(new XmlRepositorySettings(XmlFilePath, FileMode.Open));

            Assert.IsTrue(Repository.GetOrders().Any());
            Assert.IsTrue(Repository.GetCustomers().Any());
        }