added unit tests for getOrientationAsString method
added unit tests for getOrientationAsString method

datanel/MttBundle,Tisseo/MttBundle,datanel/MttBundle,datanel/MttBundle,dvdn/MttBundle,CanalTP/MttBundle,CanalTP/MttBundle,Tisseo/MttBundle,CanalTP/MttBundle,dvdn/MttBundle,Tisseo/MttBundle,dvdn/MttBundle