public async void ClearRemoveAllItems() { var userId = Guid.NewGuid(); var existingBasket = await manager.Create(userId); var productId = Guid.NewGuid(); var item = await manager.SetItem(existingBasket.Id, productId, 1); await manager.Clear(existingBasket.Id); existingBasket = await manager.Get(existingBasket.Id); Assert.Empty(existingBasket.Items); }