class_docstr: Test cases for einsum op.
code: def testImplicitForm(self):
      for dtype in self.float_types:
          self._testBinary(
              lambda x, y: special_math_ops.einsum("ijk,kji", x, y),
              np.array([[[1, 3], [2, 5], [6, 8]]], dtype=dtype),
              np.array([[[1], [3], [2]], [[5], [6], [8]]], dtype=dtype),
              expected=np.array(128, dtype=dtype),
          )
  
file_path: tensorflow-upstream/tensorflow/compiler/tests/einsum_op_test.py
imports: import numpy
  from tensorflow.compiler.tests import xla_test
  from tensorflow.python.framework import dtypes
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import special_math_ops
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 4 for calling the EinsumOpTest obj's underlying member method code with example usage: obj.testImplicitForm() without return types