Add validation that `blockstack.signUserOut` clears the localStorage (check the correct localStorage object)
Add validation that `blockstack.signUserOut` clears the localStorage (check the correct localStorage object)

blockstack/blockstack-portal,blockstack/blockstack-browser,blockstack/blockstack-browser,blockstack/blockstack-portal,blockstack/blockstack-portal,blockstack/blockstack-browser,blockstack/blockstack-portal,blockstack/blockstack-portal,blockstack/blockstack-browser,blockstack/blockstack-browser,blockstack/blockstack-browser