Remove utcnow setup and datastore teardown from ReadOnlyTests.
Remove utcnow setup and datastore teardown from ReadOnlyTests.

hugoloza/googlepersonfinder,harshvardhanmalpani/googlepersonfinder,Kushal0707/googlepersonfinder,Gentlemanlylad5/googlepersonfinder,harshvardhanmalpani/googlepersonfinder,hugoloza/googlepersonfinder,Gentlemanlylad5/googlepersonfinder,Kushal0707/googlepersonfinder