code: def test_listlayers_zipmemoryfile(bytes_coutwildrnp_zip):
      """Test layers of a zipped memory file."""
      with ZipMemoryFile(bytes_coutwildrnp_zip) as memfile:
          assert memfile.listlayers() == ["coutwildrnp"]
  
imports: import os
  from io import BytesIO
  import pytest
  import fiona
  from fiona import supported_drivers
  from fiona.drvsupport import _driver_supports_mode
  from fiona.errors import DriverError
  from fiona.io import MemoryFile, ZipMemoryFile
  from fiona.meta import supports_vsi
  from .conftest import requires_gdal2, requires_gpkg
label_desc: Use image node_id 31 for calling a global function with example usage: test_listlayers_zipmemoryfile(bytes_coutwildrnp_zip) without return types