Mock fs.createWriteStream to fix FileRecoveryService test
Mock fs.createWriteStream to fix FileRecoveryService test

andrewleverette/atom,t9md/atom,atom/atom,liuderchi/atom,PKRoma/atom,Mokolea/atom,t9md/atom,t9md/atom,liuderchi/atom,stinsonga/atom,Mokolea/atom,andrewleverette/atom,brettle/atom,stinsonga/atom,brettle/atom,brettle/atom,Mokolea/atom,liuderchi/atom,atom/atom,atom/atom,PKRoma/atom,andrewleverette/atom,stinsonga/atom,liuderchi/atom,PKRoma/atom,stinsonga/atom