public async void List(string command)
{
transferables.AddTransferable(TestConstants.Asset);
var expected = MessageConstants.ListCommandHeader +
MessageConstants.ListCommandForTransferable(Nxt.Singleton) +
MessageConstants.ListCommandForTransferable(TestConstants.Asset).TrimEnd();
await slackHandler.InstantMessageCommand(command, slackUser, imSession);
slackConnectorMock.Verify(c => c.SendMessage(imSession.Id,
It.Is <string>(input => input.StartsWith(MessageConstants.ListCommandHeader)), false));
slackConnectorMock.Verify(c => c.SendMessage(imSession.Id,
It.Is <string>(input => input.Contains(MessageConstants.ListCommandForTransferable(Nxt.Singleton).TrimEnd())), false));
slackConnectorMock.Verify(c => c.SendMessage(imSession.Id,
It.Is <string>(input => input.Contains(MessageConstants.ListCommandForTransferable(TestConstants.Asset).TrimEnd())), false));
}
