Fix the content of the test_file.json
Fix the content of the test_file.json


Former-commit-id: e48281e1adcd96a09c9386e756468d49c468c78d
wkrzemien/j-pet-framework,alexkernphysiker/j-pet-framework,alexkernphysiker/j-pet-framework,alexkernphysiker/j-pet-framework,wkrzemien/j-pet-framework,wkrzemien/j-pet-framework,JPETTomography/j-pet-framework,JPETTomography/j-pet-framework,wkrzemien/j-pet-framework,wkrzemien/j-pet-framework,alexkernphysiker/j-pet-framework,JPETTomography/j-pet-framework,alexkernphysiker/j-pet-framework