code: def test_ordered_front_batch_dim_case(self):
      x = np.ones((1, 8, 20, 4))
      y = np.ones((1, 8, 20, 4))
      s = "ijkl,ijml->ijkm"
      self._check(s, x, y)
  
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 30 for calling the EinsumTest obj's underlying member method code with example usage: obj.test_ordered_front_batch_dim_case() without return types