new_contents: assert_has_feature(
      18, 41944, 101306, 'pois',
      { 'kind': 'post_office' })
  
  assert_has_feature(
      18, 41942, 101317, 'pois',
      { 'kind': 'museum' })
  
  assert_has_feature(
      18, 41951, 101317, 'pois',
      { 'kind': 'gate' })
  
  assert_has_feature(
      18, 41867, 101362, 'pois',
      { 'kind': 'enclosure' })
  
  assert_has_feature(
      18, 41887, 101370, 'landuse',
      { 'kind': 'forest' })
  
  assert_has_feature(
      18, 41913, 101317, 'landuse',
      { 'kind': 'substation' })
  
subject: Add kind tests