public async void TipNxtToAddressShouldSucceed()
{
const decimal tipAmount = 42;
var message = CreateChannelMessage($"tipper tip {TestConstants.ValidAddressRs1} 42 NXT");
await SendSuccessfulTip(message, tipAmount);
slackConnectorMock.Verify(c => c.SendMessage(channelSession.Id,
It.Is <string>(input => input.Equals(MessageConstants.TipToAddressRsSentChannel(slackUser.Id, TestConstants.ValidAddressRs1, tipAmount, "NXT", txId, ""))), false));
}