code: def test_one_operand_1(self):
      r = self.rng()
      x = r.randn(3, 4, 5)
      s = "ijk->j"
      self._check(s, x)
  
imports: from collections import defaultdict
  import itertools
  from absl.testing import absltest
  from absl.testing import parameterized
  import numpy
  from tensorflow.python.ops.numpy_ops.tests.config import config
  import tensorflow.python.ops.numpy_ops.tests.np_wrapper
  import tensorflow.python.ops.numpy_ops.tests.test_util
label_desc: Use image node_id 10 for calling the EinsumTest obj's underlying member method code with example usage: obj.test_one_operand_1() without return types