[Tests] Use PoS_cache in zerocoin_public_spend
[Tests] Use PoS_cache in zerocoin_public_spend
PIVX-Project/PIVX,PIVX-Project/PIVX,Darknet-Crypto/Darknet,PIVX-Project/PIVX,Mrs-X/Darknet,Mrs-X/PIVX,Mrs-X/Darknet,PIVX-Project/PIVX,Darknet-Crypto/Darknet,PIVX-Project/PIVX,Mrs-X/Darknet,Mrs-X/Darknet,Darknet-Crypto/Darknet,Mrs-X/PIVX,Darknet-Crypto/Darknet,Darknet-Crypto/Darknet,PIVX-Project/PIVX,PIVX-Project/PIVX,Mrs-X/Darknet,Mrs-X/Darknet,Mrs-X/PIVX,Mrs-X/PIVX,PIVX-Project/PIVX,Darknet-Crypto/Darknet,Mrs-X/PIVX,Mrs-X/PIVX,PIVX-Project/PIVX