public async Task AddCoinToWalletTest()
{
// Arrange
var repo = new InMemoryRepository();
var walletId = new Guid("dd9fbf9b-a500-4c00-b00d-069ea4080004");
var coin = new Coin()
{
Id = Guid.NewGuid(), CreationDate = DateTime.Now
};
// Act
var updateResult = await repo.AddCoinToWallet(walletId, coin);
// Assert
Assert.NotNull(updateResult);
Assert.IsType(typeof(Wallet), updateResult);
}
