'Tests creating a server with two block devices. One is the boot
device and the other is a non-bootable device.'

def test_create_instance_with_boot_index_none_ok(self):

    bdms = [{'source_type': 'image', 'destination_type': 'volume', 'boot_index': 0, 'uuid': '155d900f-4e14-4e4c-a73d-069cbf4541e6', 'volume_size': 20}, {'source_type': 'blank', 'destination_type': 'local', 'boot_index': None, 'guest_format': 'ext4'}]
    params = {block_device_mapping.ATTRIBUTE_NAME: bdms}
    self._test_create(params, no_image=True)
