Bug-1520 Config subsystem:config modules tests

Change-Id: I2ad29ce1eb8ba0d5286c426ab3e61627d8e7a8dc
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
Bug-1520 Config subsystem:config-api tests

Change-Id: Iefb8b8ac1a5099c276ab200a3a6337cb8befefe7
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
Merge "Bug-1520 Config subsystem:config modules tests"
Merge "Bug-1520 Config subsystem:config-api tests"