code: def test_file_in_handler_vsi():
      """Legacy GDAL filenames are handled"""
      ctx = MockContext()
      retval = file_in_handler(ctx, "INPUT", "/vsifoo/bar.tif")
      assert retval == "/vsifoo/bar.tif"
  
imports: import math
  import uuid
  import click
  import pytest
  from rasterio.enums import ColorInterp
  from rasterio.rio.options import bounds_handler, file_in_handler, like_handler, edit_nodata_handler, nodata_handler, _cb_key_val
label_desc: Use image node_id 14 for calling a global function with example usage: test_file_in_handler_vsi() without return types