old_contents: # https://www.openstreetmap.org/way/147689077
  # Apple Store, SF
  assert_has_feature(
      15, 5242, 12664, 'pois',
      { 'id': 147689077, 'min_zoom': 15.68 })
  
new_contents: # https://www.openstreetmap.org/way/147689077
  # Apple Store, SF
  assert_has_feature(
      15, 5242, 12664, 'pois',
      { 'id': 147689077, 'min_zoom': 15.68 })
  
  # Test that source and min_zoom are set properly for boundaries, roads, transit, and water
  assert_has_feature(
      5, 9, 12, 'boundaries',
      { 'min_zoom': 0 , 'id': 8024,
      'source': 'naturalearthdata.com',
      'name': 'New Jersey - Pennsylvania' })
  
  assert_has_feature(
      5, 9, 12, 'roads',
      { 'min_zoom': 5 , 'id': 90,
      'source': 'naturalearthdata.com' })
  
  # There is no transit data from Natural Earth
  
  assert_has_feature(
      5, 9, 12, 'water',
      { 'min_zoom': 0 , 'id': 1144,
      'source': 'naturalearthdata.com',
      'name': 'John H. Kerr Reservoir' })
  
  # https://www.openstreetmap.org/relation/224951
  # https://www.openstreetmap.org/relation/61320
  assert_has_feature(
      9, 150, 192, 'boundaries',
      { 'min_zoom': 8, 'id':  -224951,
      'source': 'openstretmap.org',
      'name': 'New Jersey - New York' })
  
  assert_has_feature(
      9, 150, 192, 'roads',
      { 'min_zoom': 8, 'sort_key':  381,
      'source': 'openstretmap.org',
      'kind': 'Major Road',
      'network': 'US:NJ:Hudson' })
  
  assert_has_feature(
      9, 150, 192, 'transit',
      { 'min_zoom': 5, 'ref':  '54-57',
      'source': 'openstretmap.org',
      'name': 'Vermonter' })
  
  assert_has_feature(
      9, 150, 192, 'water',
      { 'min_zoom': 0, 'id':  10613,
      'source': 'openstretmapdata.com',
      'kind': 'ocean',
      'name': '' })
  
subject: Add tests for source and min_zoom