Fixed PropertyNameHelper test (uppercase-output)
Fixed PropertyNameHelper test (uppercase-output)

Summary: Adds to D17: Had to change the property name helper test in order to follow the new DICOM uppercase character standard.

Test Plan: Unit test contained; was modified corresponding to the changes made to the module itself

Reviewers: floca, kislinsk, O1 MITK Core

Reviewed By: kislinsk, O1 MITK Core

Subscribers: kalali

Maniphest Tasks: T22064

Differential Revision: https://phabricator.mitk.org/D18

MITK/MITK,MITK/MITK,MITK/MITK,fmilano/mitk,RabadanLab/MITKats,fmilano/mitk,MITK/MITK,RabadanLab/MITKats,iwegner/MITK,MITK/MITK,MITK/MITK,fmilano/mitk,fmilano/mitk,fmilano/mitk,fmilano/mitk,iwegner/MITK,iwegner/MITK,iwegner/MITK,fmilano/mitk,iwegner/MITK,RabadanLab/MITKats,RabadanLab/MITKats,iwegner/MITK,RabadanLab/MITKats,RabadanLab/MITKats