code: def _make_image(self, shape, xp, dtype, scale):
      return testing.shaped_random(shape, xp, dtype=dtype, scale=scale)
  
imports: import sys
  import warnings
  import numpy
  import pytest
  import cupy
  from cupy.cuda import runtime
  from cupy import testing
  from cupy import _util
  from cupy._core import _accelerator
  import cupyx.scipy.ndimage
label_desc: Use image node_id 1 for calling the TestHistogram obj's underlying member method code with example usage: obj._make_image(shape, xp, dtype, scale) and returns: testing