def METHOD_NAME(fixture, config):
    p = GeoJSONProvider(config)
    new_feature = {
        'type': 'Feature',
        'id': '123-456',
        'geometry': {
            'type': 'Point',
            'coordinates': [0.0, 0.0]},
        'properties': {
            'name': 'Null Island'}}
    p.update('123-456', new_feature)
    # Should be changed
    results = p.get('123-456')
    assert 'Null' in results['properties']['name']