public async Task Ensure_Create_Wallet_Success_Result()
{
//Arrange
var createWallet = new CreateWalletRequestModel();
Mediator.Setup(x => x.Send(It.IsAny <CreateWalletRequestModel>(), new CancellationToken())).
ReturnsAsync(new CreateWalletResponseModel {
Label = "New Wallet", Id = Guid.NewGuid()
});
var walletController = new WalletController(Mediator.Object);
//Action
var result = await walletController.Post(createWallet);
//Assert
Assert.IsType <CreatedResult>(result);
}