code: def amv_filehandler(amv_file):
      """Create an AMV filehandler."""
      return FciL2NCAMVFileHandler(
          filename=amv_file,
          filename_info={"channel": "test_channel"},
          filetype_info={},
      )
  
imports: import os
  import unittest
  import uuid
  from contextlib import suppress
  from unittest import mock
  import numpy
  import pytest
  from netCDF4 import Dataset
  from pyresample import geometry
  from satpy.readers.fci_l2_nc import FciL2NCAMVFileHandler, FciL2NCFileHandler, FciL2NCSegmentFileHandler
  from satpy.tests.utils import make_dataid
label_desc: Use image node_id 2 for calling a global function with example usage: amv_filehandler(amv_file) and returns: FciL2NCAMVFileHandler