JSONDataModel: No need to handle suite teardown failures anymore on this level. Also few other smaller cleanups.
JSONDataModel: No need to handle suite teardown failures anymore on this level. Also few other smaller cleanups.

userzimmermann/robotframework-python3,Senseg/robotframework,Senseg/robotframework,userzimmermann/robotframework-python3,userzimmermann/robotframework-python3,userzimmermann/robotframework-python3,Senseg/robotframework,userzimmermann/robotframework-python3,Senseg/robotframework,Senseg/robotframework