old_contents: 
  import os
  
  local_path = os.path.dirname(__file__)
  data_path = os.path.join(local_path, 'data')
  
  # testing-specific datasets.
  test_csv_doc = os.path.join(data_path, 'SRGD_example.csv')
  test_csv_with_comment_field = os.path.join(data_path, 'SRGD_with_comment_field.csv')
  test_csv_full = os.path.join(data_path, 'SRGD_export_demodna.csv.gz')
  
  # A File Geodatabasee with an imported SRGD file and test raster.
  test_fgdb = os.path.join(data_path, 'test.gdb')
  test_fgdb_fc = os.path.join(test_fgdb, 'SRGD_export_demodna_Spatial')
  test_fgdb_raster = os.path.join(test_fgdb, 'etopo1_downsampled_clipped')
  
  # our default set of columns.
  genetic_columns = "Sex;Haplotype;L_GATA417_1;L_GATA417_2;L_Ev37_1" + \
          ";L_Ev37_2;L_Ev96_1;L_Ev96_2;L_rw4_10_1;L_rw4_10_2"
  id_columns = "Sample_ID;Individual_ID"
  loc_columns = "Longitude;Latitude"
  other_columns = "Region"
  protected_columns = {}
  
  # location of the python toolbox.
  pyt_file = os.path.abspath(
                  os.path.join(local_path, '..', 'Install', 'toolbox', 'genegis.pyt'))
  
new_contents: 
  import os
  
  local_path = os.path.dirname(__file__)
  data_path = os.path.join(local_path, 'data')
  
  # testing-specific datasets.
  test_csv_doc = os.path.join(data_path, 'SRGD_example.csv')
  test_csv_with_comment_field = os.path.join(data_path, 'SRGD_with_comment_field.csv')
  test_csv_full = os.path.join(data_path, 'SRGD_export_demodna.csv.gz')
  
  # A File Geodatabasee with an imported SRGD file and test raster.
  test_fgdb = os.path.join(data_path, 'test.gdb')
  test_fgdb_fc = os.path.join(test_fgdb, 'SRGD_export_demodna_Spatial')
  test_fgdb_tiny_fc = os.path.join(test_fgdb, 'SRGD_tiny_Spatial')
  test_fgdb_raster = os.path.join(test_fgdb, 'etopo1_downsampled_clipped')
  
  # our default set of columns.
  genetic_columns = "Sex;Haplotype;L_GATA417_1;L_GATA417_2;L_Ev37_1" + \
          ";L_Ev37_2;L_Ev96_1;L_Ev96_2;L_rw4_10_1;L_rw4_10_2"
  id_columns = "Sample_ID;Individual_ID"
  loc_columns = "Longitude;Latitude"
  other_columns = "Region"
  protected_columns = {}
  
  # location of the python toolbox.
  pyt_file = os.path.abspath(
                  os.path.join(local_path, '..', 'Install', 'toolbox', 'genegis.pyt'))
  
subject: add tiny variant of the data (3 rows).