Fix app_test
Fix app_test

Sometimes it fails to connect, but when it does, it works.

bitshares/bitshares-2,pmconrad/graphene,pmconrad/graphene,abitmore/bitshares-2,peertracksinc/muse,bitsuperlab/cpp-play2,cryptonomex/graphene,bigoc/openchain,bitshares/bitshares-2,bigoc/openchain,cryptonomex/graphene,oxarbitrage/bitshares-core,abitmore/bitshares-2,bigoc/openchain,cryptonomex/graphene,peertracksinc/muse,peertracksinc/muse,abitmore/bitshares-2,bitshares/bitshares-2,pmconrad/graphene,oxarbitrage/bitshares-core,pmconrad/graphene,bitshares/bitshares-2,peertracksinc/muse,oxarbitrage/bitshares-core,bitsuperlab/cpp-play2,oxarbitrage/bitshares-core,bitsuperlab/cpp-play2,abitmore/bitshares-2,bigoc/openchain