add test for apply siacoin input
add test for apply siacoin input

ericflo/Sia,mharkus/Sia,ChrisSchinnerl/Sia,mharkus/Sia,Mingling94/Sia,cyrozap/Sia,NebulousLabs/Sia,johnathanhowell/Sia,rivine/rivine,mnsl/Sia,ericflo/Sia,MrStrong/Sia,mtlynch/Sia,kustomzone/Sia,mtlynch/Sia,NebulousLabs/Sia,rivine/rivine,MrStrong/Sia,ChrisSchinnerl/Sia,mnsl/Sia