Reorganize Valve tests to base class without tests.
Reorganize Valve tests to base class without tests.

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