old_contents: import os
  import pytest
  
  
  @pytest.fixture
  def travis():
      return 'TRAVIS' in os.environ.keys()
  
  
  @pytest.fixture
  def testdir():
      return 'pyroSAR/tests/data'
  
  
  @pytest.fixture
  def testdata(testdir):
      out = {
          's1': os.path.join(testdir, 'S1A_IW_GRDH_1SDV_20150222T170750_20150222T170815_004739_005DD8_3768.zip'),
          # ftp://ftp.eorc.jaxa.jp/pub/ALOS-2/1501sample/310_forestbrazil/0000022708_001001_ALOS2015976960-140909.zip
          'psr2': os.path.join(testdir, '0000022708_001001_ALOS2015976960-140909.zip'),
          'tif': os.path.join(testdir, 'S1A__IW___A_20150309T173017_VV_grd_mli_geo_norm_db.tif'),
          'archive_old': os.path.join(testdir, 'archive_outdated.csv')
      }
      return out
  
new_contents: import os
  import pytest
  
  
  @pytest.fixture
  def travis():
      return 'TRAVIS' in os.environ.keys()
  
  
  @pytest.fixture
  def testdir():
      return os.path.abspath('data')
  
  
  @pytest.fixture
  def testdata(testdir):
      out = {
          's1': os.path.join(testdir, 'S1A_IW_GRDH_1SDV_20150222T170750_20150222T170815_004739_005DD8_3768.zip'),
          # ftp://ftp.eorc.jaxa.jp/pub/ALOS-2/1501sample/310_forestbrazil/0000022708_001001_ALOS2015976960-140909.zip
          'psr2': os.path.join(testdir, '0000022708_001001_ALOS2015976960-140909.zip'),
          'tif': os.path.join(testdir, 'S1A__IW___A_20150309T173017_VV_grd_mli_geo_norm_db.tif'),
          'archive_old': os.path.join(testdir, 'archive_outdated.csv')
      }
      return out
  
subject: return absolute path for fixture testdir