Fix fine grained mirror test.
Fix fine grained mirror test.

gwacter/faucet,anarkiwi/faucet,shivarammysore/faucet,anarkiwi/faucet,asmltd/faucet,asmltd/faucet,asmltd/faucet,isomer/faucet,trentindav/faucet,gizmoguy/faucet,mwutzke/faucet,wackerly/faucet,REANNZ/faucet,REANNZ/faucet,faucetsdn/faucet,byllyfish/faucet,trungdtbk/faucet,wackerly/faucet,Bairdo/faucet,gizmoguy/faucet,isomer/faucet,shivarammysore/faucet,asmltd/faucet,asmltd/faucet,trentindav/faucet,trungdtbk/faucet,mwutzke/faucet,gwacter/faucet,faucetsdn/faucet,Bairdo/faucet,byllyfish/faucet