public async Task TestUpdateAndGetEquipmentType()
        {
            var equipment = new EquipmentType()
            {
                Id   = "2",
                Name = "Фрезеровальный станок"
            };
            await EquipmentCRUDClient.CreateAsync(equipment);

            var supplier = new Supplier()
            {
                Id      = "2",
                Name    = "НВС-строй",
                Address = "Васильева 17"
            };
            await SupplierCRUDClient.CreateAsync(supplier);

            var expected = new Supply()
            {
                Id              = "1",
                Count           = 5,
                DeliveryDate    = DateTime.Now,
                EquipmentTypeId = "2",
                SupplierId      = "2"
            };
            await CrudClient.CreateAsync(expected);

            expected.DeliveryDate = new DateTime(2017, 1, 1);
            await CrudClient.UpdateAsync(expected);

            var actual = await CrudClient.GetFirstElement();

            Assert.Equal(expected, actual);
            await CrudClient.DeleteElement("1");

            await EquipmentCRUDClient.DeleteElement("2");

            await SupplierCRUDClient.DeleteElement("2");
        }