Provide tmpdir in base e2e test case
Provide tmpdir in base e2e test case

Summary: We can use `tearDown` instead of a `finally` in each of the cases

Reviewed By: antiarchit

Differential Revision: D4794379

fbshipit-source-id: 521cbeb1d9473d918a975a60457f05f35e265894

facebook/FBSimulatorControl,StevenUpForever/FBSimulatorControl,facebook/FBSimulatorControl,plu/FBSimulatorControl,facebook/FBSimulatorControl,plu/FBSimulatorControl,facebook/FBSimulatorControl,plu/FBSimulatorControl,StevenUpForever/FBSimulatorControl,StevenUpForever/FBSimulatorControl,StevenUpForever/FBSimulatorControl,plu/FBSimulatorControl,facebook/FBSimulatorControl