Fix and improvement for MsoBusinessLogic tests

- Merged two test classes into one
Moved unit tests from MsoBusinessLogic to MsoBusinessLogicImpl
- unified unit test framework - using junit instead of testng
- Fixed issue with broken unit tests when run in IDE
- improved readability of unit tests
- Fixed commented/ignored unit tests
- RequestDetailsWrapper encapsulation fix

Change-Id: I7f589b36757b09f41b3568d8aa8a932bd914ac0d
Issue-ID: VID-283
Signed-off-by: Michal Kabaj <michal.kabaj@nokia.com>