code: def testInvalidReductionIndices(self):
      with self.cached_session():
          with self.assertRaisesRegex(
              ValueError, "Invalid reduction dim"
          ):
              string_ops.reduce_join(inputs="", axis=0)
          with self.assertRaisesRegex(
              ValueError, "Invalid reduction dimension -3"
          ):
              string_ops.reduce_join(inputs=[[""]], axis=-3)
          with self.assertRaisesRegex(
              ValueError, "Invalid reduction dimension 2"
          ):
              string_ops.reduce_join(inputs=[[""]], axis=2)
          with self.assertRaisesRegex(
              ValueError, "Invalid reduction dimension -3"
          ):
              string_ops.reduce_join(inputs=[[""]], axis=[0, -3])
          with self.assertRaisesRegex(
              ValueError, "Invalid reduction dimension 2"
          ):
              string_ops.reduce_join(inputs=[[""]], axis=[0, 2])
  
imports: import itertools
  import numpy
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import string_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 13 for calling the ReduceJoinTest obj's underlying member method code with example usage: obj.testInvalidReductionIndices() without return types