code: def test_read_boundless_false(rgb_byte_tif_reader, rgb_array):
      """Reading natural window with boundless=False works"""
      with rgb_byte_tif_reader as src:
          data = src.read(boundless=False)
          assert data.shape == rgb_array.shape
          assert data.sum() == rgb_array.sum()
  
imports: import numpy
  import pytest
  import rasterio
  from rasterio.enums import Resampling
  from rasterio.windows import Window
label_desc: Use image node_id 3 for calling a global function with example usage: test_read_boundless_false(rgb_byte_tif_reader, rgb_array) without return types