code: def test_resolve_files_inout__inout_files_output_o():
      assert helpers.resolve_inout(
          files=("a", "b", "c"), output="out"
      ) == ("out", ["a", "b", "c"])
  
file_path: rasterio/tests/test_rio_helpers.py
imports: import click
  import pytest
  from rasterio.errors import FileOverwriteError
  from rasterio.rio import helpers
label_desc: Use image node_id 4 for calling a global function with example usage: test_resolve_files_inout__inout_files_output_o() without return types