serf: fix merge cancel tests
serf: fix merge cancel tests

minhkiller/serf,minhkiller/serf,dalehamel/serf,gnawhleinad/serf,mbrukman/serf,pmenglund/serf,mbrukman/serf,curtiszimmerman/serf,dalehamel/serf,patrickviet/serf,mbrukman/serf,patrickviet/serf,samaitra/serf,jmptrader/serf,dalehamel/serf,patrickviet/serf,jmptrader/serf,samaitra/serf,dalehamel/serf,mbrukman/serf,FollowMyDev/serf,curtiszimmerman/serf,FollowMyDev/serf,curtiszimmerman/serf,yonglehou/serf,gnawhleinad/serf,minhkiller/serf,pmenglund/serf,hashicorp/serf,pmenglund/serf,yonglehou/serf,hashicorp/serf,gnawhleinad/serf,mapuri/serf,yonglehou/serf,mapuri/serf,FollowMyDev/serf,minhkiller/serf,yonglehou/serf,curtiszimmerman/serf,pmenglund/serf,minhkiller/serf,hashicorp/serf,gnawhleinad/serf,hashicorp/serf,pmenglund/serf,gnawhleinad/serf,dalehamel/serf,curtiszimmerman/serf,samaitra/serf,jmptrader/serf,minhkiller/serf,samaitra/serf,yonglehou/serf,patrickviet/serf,mapuri/serf,mapuri/serf,jmptrader/serf,curtiszimmerman/serf,patrickviet/serf,mbrukman/serf,gnawhleinad/serf,samaitra/serf,patrickviet/serf,mapuri/serf,jmptrader/serf,pmenglund/serf,FollowMyDev/serf,mapuri/serf,hashicorp/serf,FollowMyDev/serf,dalehamel/serf,mbrukman/serf,yonglehou/serf,samaitra/serf,jmptrader/serf,FollowMyDev/serf