public async Task MockDataStore_Delete_Valid_Should_Pass() { // Arrange var item1 = new ItemModel { Name = "a" }; var item2 = new ItemModel { Name = "b" }; await DataStore.CreateAsync(item1); await DataStore.CreateAsync(item2); // Act var result = await DataStore.DeleteAsync(item1.Id); // Reset // Assert Assert.AreEqual(true, result); Assert.AreEqual(1, DataStore.datalist.Count()); }