Add base unit tests for getDevices console logging.
Add base unit tests for getDevices console logging.

Reviewed By: jiawei-lyu

shipit-source-id: 760fd555776ba2d82f1e3767122f5e01988b27c7

JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck