Use Python 3.x compatible print syntax

Adding an extra pair of braces helps here to
let Python 3.x interpret it as print function,
while not confusing the Python 2.x print operator.

Change-Id: I05af267ecfbcc80753726743fdf82c330350afcb
Unmock requests when testing complete.

Any other tests running will unexpectedly have mocks installed for
requests otherwise. Make the time mock behave the same way whilst there.

Change-Id: Iec4f35c51ed4650a35ae2780637192c82042a980
Merge "Unmock requests when testing complete."
Merge "Use Python 3.x compatible print syntax"