Fix new dash-tx tests
Fix new dash-tx tests

Also use S flag instead of W flag for the outpubkey test. Not really needed
to fix the test, but we don't have the W flag in Dash so lets not confuse
people.

biblepay/biblepay,thelazier/dash,nmarley/dash,dashpay/dash,dashpay/dash,nmarley/dash,biblepay/biblepay,biblepay/biblepay,crowning-/dash,UdjinM6/dash,thelazier/dash,crowning-/dash,ionomy/ion,UdjinM6/dash,ionomy/ion,thelazier/dash,nmarley/dash,dashpay/dash,ivansib/sibcoin,biblepay/biblepay,crowning-/dash,crowning-/dash,thelazier/dash,UdjinM6/dash,thelazier/dash,UdjinM6/dash,dashpay/dash,crowning-/dash,biblepay/biblepay,nmarley/dash,UdjinM6/dash,dashpay/dash,nmarley/dash,nmarley/dash,ionomy/ion,ivansib/sibcoin,biblepay/biblepay,ivansib/sibcoin,ionomy/ion,biblepay/biblepay,ionomy/ion,biblepay/biblepay,nmarley/dash,ivansib/sibcoin,crowning-/dash,ivansib/sibcoin,ivansib/sibcoin,ionomy/ion