code: def img_5x5():
      """
      Generates a gs image 5x5. It is all ones, besides the edges
  
      Returns
      -------
      out : ndarray
          5x5 uint8 image
      """
      return gen_gs_img_black_edge(5, 5) // 255
  
file_path: solt/tests/fixtures.py
imports: import pytest
  import numpy
  from .utils import gen_gs_img_black_edge
label_desc: Use image node_id 9 for calling a global function with example usage: img_5x5() and returns: unknown