Set unfortunate length of string to CosmicRaysBase will fail
If length of set string is the same as number of cosmic rays, the setting will fail -> see unittest TestCosmicRaysBase.test_26_set_unfortunate_length_of_string()
If length of set string is the same as number of cosmic rays, the setting will fail -> see unittest TestCosmicRaysBase.test_26_set_unfortunate_length_of_string()