Add sell_domain_sig_fail unit test
Add sell_domain_sig_fail unit test

bitshares/bitshares-0.x,bitshares/bitshares,drltc/keyid,FollowMyVote/bitshares,dacsunlimited/dac_play,FollowMyVote/bitshares,RemitaBit/Remitabit,RemitaBit/Remitabit,frrp/bitshares,bitshares/devshares,bitsuperlab/cpp-play,bitsuperlab/cpp-play,frrp/bitshares,jakeporter/Bitshares,drltc/keyid,jakeporter/Bitshares,denkhaus/bitsharesx,bitshares/bitshares,bitshares/bitshares-0.x,bitshares/devshares,Ziftr/bitshares,bitshares/bitshares-0.x,drltc/keyid,camponez/bitshares,frrp/bitshares,bitsuperlab/cpp-play,RemitaBit/Remitabit,dacsunlimited/dac_play,bitshares/bitshares,camponez/bitshares,bitshares/devshares,camponez/bitshares,bitshares/bitshares,drltc/keyid,RemitaBit/Remitabit,camponez/bitshares,frrp/bitshares,frrp/bitshares,Ziftr/bitshares,dacsunlimited/dac_play,bitsuperlab/cpp-play,FollowMyVote/bitshares,bitshares/bitshares-0.x,FollowMyVote/bitshares,denkhaus/bitsharesx,FollowMyVote/bitshares,bitsuperlab/cpp-play,denkhaus/bitsharesx,frrp/bitshares,bitshares/bitshares-0.x,dacsunlimited/dac_play,denkhaus/bitsharesx,Ziftr/bitshares,jakeporter/Bitshares,bitsuperlab/cpp-play,bitshares/bitshares,camponez/bitshares,bitshares/bitshares,camponez/bitshares,RemitaBit/Remitabit,jakeporter/Bitshares,RemitaBit/Remitabit,jakeporter/Bitshares,Ziftr/bitshares,bitshares/devshares,jakeporter/Bitshares,bitshares/devshares,FollowMyVote/bitshares,bitshares/devshares,dacsunlimited/dac_play,dacsunlimited/dac_play,bitshares/bitshares-0.x