Reverse context and device from monitoring-service merge

src/device/tests/.gitignore

src/device/tests/CommonObjects.py

src/device/tests/Device_Emulated.py

src/device/tests/Device_OpenConfig_Template.py

src/device/tests/Tools.py

src/device/tests/test_unitary.py

src/device/tests/test_unitary_driverapi.py