code: def test_morphological_gradient_and_laplace(self, xp, scp):
      x = xp.zeros((7, 7), dtype=self.x_dtype)
      x[2:5, 2:5] = 1
      x[4, 4] = 2
      x[2, 3] = 3
      if self.x_dtype == self.output:
          pytest.skip("redundant")
      return self._filter(xp, scp, x)
  
imports: import numpy
  import pytest
  from cupy import testing
  import cupyx.scipy.ndimage
label_desc: Use image node_id 2 for calling the TestMorphologicalGradientAndLaplace obj's underlying member method code with example usage: obj.test_morphological_gradient_and_laplace(xp, scp) and returns: self