code: def test_Pcolormesh(self):
      x = np.linspace(-2 * np.pi, 2 * np.pi, 100)
      t = np.linspace(0, 2 * np.pi, 3)
  
      X, Y, T = np.meshgrid(x, x, t)
      Z = np.sin(X**2 + Y**2 - T)
  
      block = amp.blocks.Pcolormesh(X[:, :, 0], Y[:, :, 0], Z, t_axis=2)
      return amp.Animation([block])
  
imports: from matplotlib.testing import setup
  import numpy
  import numpy.testing
  import matplotlib.pyplot
  import matplotlib
  import packaging.version
  import pytest
  import animatplot
  from tests.tools import animation_compare
  from animatplot.blocks import Block, Title
label_desc: Use image node_id 2 for calling the TestComparisons obj's underlying member method code with example usage: obj.test_Pcolormesh() and returns: amp