public async Task findProductsuccess()
{
Product p = new Product(new Guid(), "soy milk", 8, 50, 500, "vegan");
Store s = new Store("vegan store", null, null);
s.Products.Add(p);
await marketStores.addToCategory(p, "vegan");
marketStores.LoadedStores.TryAdd(s.GetId(), s);
Product p2 = new Product(new Guid(), "soy milk diff", 8, 50, 500, "vegan");
Store s2 = new Store("vegan store 2", null, null);
s2.Products.Add(p2);
await marketStores.addToCategory(p2, "vegan");
marketStores.LoadedStores.TryAdd(s2.GetId(), s2);
ICollection <Product> ret = await marketStores.findProducts("soy milk", -1, -1, -1, "vegan");
Assert.IsTrue(ret.Contains(p) && ret.Contains(p2));
}
