Fix parallel tests.
Fix parallel tests.

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