code: def test_one_operand_5(self):
      r = self.rng()
      x = r.randn(2, 3, 4, 5)
      s = "...ijk->...ki"
      self._check(s, x)
  
imports: from collections import defaultdict
  import itertools
  from absl.testing import absltest
  from absl.testing import parameterized
  import numpy
  import tensorflow.compat.v2
  from trax.tf_numpy.jax_tests.config import config
  import trax.tf_numpy.jax_tests.test_util
  import trax.tf_numpy.numpy
label_desc: Use image node_id 14 for calling the EinsumTest obj's underlying member method code with example usage: obj.test_one_operand_5() without return types