code: def test_rgb16():
      assert_image_equal_tofile(hopper(), "Tests/images/hopper16.rgb")
  
file_path: pillow-simd/Tests/test_file_sgi.py
imports: import pytest
  from PIL import Image, SgiImagePlugin
  from .helper import assert_image_equal, assert_image_equal_tofile, assert_image_similar, hopper
label_desc: Use image node_id 2 for calling a global function with example usage: test_rgb16() without return types