ENH: add test case for pixel mask creation
ENH: add test case for pixel mask creation
SiLab-Bonn/testbeam_analysis,SiLab-Bonn/testbeam_analysis,YannickDieter/testbeam_analysis,YannickDieter/testbeam_analysis,SiLab-Bonn/testbeam_analysis,YannickDieter/testbeam_analysis,SiLab-Bonn/testbeam_analysis,YannickDieter/testbeam_analysis