code: def testLegacyPositionalName(self):
      # Code that predates the 'unit' parameter may have used a positional
      # argument for the 'name' parameter.  Check that we don't break such code.
      strings = [[["1", "12"], ["123", "1234"], ["12345", "123456"]]]
      lengths = string_ops.string_length(strings, "some_name")
      with self.session():
          self.assertAllEqual(lengths, [[[1, 2], [3, 4], [5, 6]]])
  
imports: from tensorflow.python.framework import test_util
  from tensorflow.python.ops import string_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 3 for calling the StringLengthOpTest obj's underlying member method code with example usage: obj.testLegacyPositionalName() without return types