public void DeleteCategoryItem_ShouldPass()
{
using var context = new MarketDbContext(inMemoryConnection);
Item item = SetUpInvetoryWithOneItem(context);
storeInventory.AddCategoryItem(item.Id, "cat2", context);
Assert.IsTrue(storeInventory.DeleteCategoryItem(item.Id, "cat1", context));
Assert.AreEqual(1, item.Categories.Count);
Assert.IsTrue(item.Categories.Contains(new Category("cat2")));
Assert.IsFalse(item.Categories.Contains(new Category("cat1")));
}