text: from os import path
  
  here = path.dirname(path.abspath(__file__))
  
  voyager_fil = path.join(here, 'test_data/Voyager1.single_coarse.fine_res.fil')
  voyager_h5 = path.join(here, 'test_data/Voyager1.single_coarse.fine_res.h5')
  voyager_raw = path.join(here, 'test_data/blc3_2bit_guppi_57396_VOYAGER1_0006.0013.raw')
  voyager_block1 = path.join(here, 'test_data/Voyager1_block1.npy')
  test_ifs_fil = path.join(here, 'test_data/test_ifs.fil')
  