class_docstr: Test AssertShape layer.
class_docstr_tok: ["Test","AssertShape","layer","."]
code: def test_multiple_matching_dims_pass(self):
      layer = tl.AssertShape("a,b,a,ab")
      x = [
          np.ones((5,)),
          np.zeros((2)),
          np.zeros((5)),
          np.zeros((5, 2)),
      ]
      y = layer(x)
      self.assertEqual(y, x)
  
imports: from absl.testing import absltest
  import numpy
  import trax.layers
label_desc: Use image node_id 8 for calling the AssertShapeTest obj's underlying member method code with example usage: obj.test_multiple_matching_dims_pass() without return types