code: def test_get_ref_im():
      """A test for our function to get test images"""
  
      crop = 0
      for f in (False, True):
          for colors in (0, 1, 3, 4):
              rim = get_ref_im(0, crop, f)
              assert rim.flags.c_contiguous is True
              assert rim.shape[:2] == (42, 32)
  
      crop = 1
      for f in (False, True):
          for colors in (0, 1, 3, 4):
              rim = get_ref_im(0, crop, f)
              assert rim.flags.c_contiguous is True
              assert rim.shape[:2] == (41, 31)
  
      if IS_PYPY:
          return "PYPY cannot have non-contiguous data"
  
      crop = 2
      for f in (False, True):
          for colors in (0, 1, 3, 4):
              rim = get_ref_im(0, crop, f)
              assert rim.flags.c_contiguous is False
              assert rim.shape[:2] == (41, 31)
  
imports: import os
  import shutil
  import sys
  import platform
  import warnings
  import fsspec
  import imageio.plugins
  import imageio.v3
  import imageio.v2
  import numpy
  import pytest
  from imageio import core
  from imageio.core import IS_PYPY
  from pytest import raises
  from conftest import deprecated_test
label_desc: Use image node_id 6 for calling a global function with example usage: test_get_ref_im() and returns: str