public void AddCategoryItem_ShouldPass()
{
using var context = new MarketDbContext(inMemoryConnection);
Item item = SetUpInvetoryWithOneItem(context);
Assert.IsTrue(storeInventory.AddCategoryItem(item.Id, "cat2", context));
Assert.AreEqual(2, item.Categories.Count);
Assert.IsTrue(item.Categories.Contains(new Category("cat2")));
}