ENH (#1581): add test cases for message macros
ENH (#1581): add test cases for message macros


MITK/MITK,lsanzdiaz/MITK-BiiG,fmilano/mitk,NifTK/MITK,fmilano/mitk,RabadanLab/MITKats,lsanzdiaz/MITK-BiiG,lsanzdiaz/MITK-BiiG,MITK/MITK,danielknorr/MITK,MITK/MITK,danielknorr/MITK,MITK/MITK,NifTK/MITK,rfloca/MITK,rfloca/MITK,RabadanLab/MITKats,lsanzdiaz/MITK-BiiG,iwegner/MITK,lsanzdiaz/MITK-BiiG,fmilano/mitk,iwegner/MITK,rfloca/MITK,danielknorr/MITK,danielknorr/MITK,lsanzdiaz/MITK-BiiG,iwegner/MITK,RabadanLab/MITKats,iwegner/MITK,RabadanLab/MITKats,NifTK/MITK,rfloca/MITK,nocnokneo/MITK,danielknorr/MITK,nocnokneo/MITK,NifTK/MITK,nocnokneo/MITK,fmilano/mitk,RabadanLab/MITKats,iwegner/MITK,rfloca/MITK,fmilano/mitk,lsanzdiaz/MITK-BiiG,lsanzdiaz/MITK-BiiG,nocnokneo/MITK,MITK/MITK,NifTK/MITK,iwegner/MITK,rfloca/MITK,fmilano/mitk,nocnokneo/MITK,RabadanLab/MITKats,NifTK/MITK,fmilano/mitk,danielknorr/MITK,nocnokneo/MITK,nocnokneo/MITK,MITK/MITK,danielknorr/MITK,rfloca/MITK