modified base test
Update cob_hardware_test/test/component_test.py
Update cob_hardware_test/test/sound_test.py
Update cob_hardware_test/test/light_test.py
Update cob_hardware_test/test/base_test.py
Update cob_hardware_test/test/base_test.py
Update cob_hardware_test/test/light_test.py
Update cob_hardware_test/test/sound_test.py
beautify