public async Task AddWalletTest() { // Arrange var repo = new InMemoryRepository(); var myNewWallet = new Wallet() { Id = Guid.NewGuid(), WalletName = "Test Wallet-" + Guid.NewGuid(), CreationDate = DateTime.Now }; // Act var repoResult = await repo.CreateWallet(myNewWallet); // Assert Assert.NotNull(repoResult); Assert.IsType(typeof(Wallet), repoResult); }