class_docstr: Tests for the generate_vocab_remapping() method.
code: def setUp(self):
      self.new_vocab_file = os.path.join(
          self.get_temp_dir(), "keyword_shifted.txt"
      )
      with open(self.new_vocab_file, "w") as f:
          f.write("\n".join(["MISSING", "knitting", "eminem"]) + "\n")
      self.old_vocab_file = os.path.join(
          self.get_temp_dir(), "keyword.txt"
      )
      with open(self.old_vocab_file, "w") as f:
          f.write("\n".join(["knitting", "eminem", "MISSING"]) + "\n")
  
imports: import os
  import numpy
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import gen_checkpoint_ops
  from tensorflow.python.ops import partitioned_variables
  from tensorflow.python.ops import variable_scope
  from tensorflow.python.ops import variables
  from tensorflow.python.platform import flags
  from tensorflow.python.platform import test
  from tensorflow.python.training import saver
label_desc: Use image node_id 1 for calling the GenerateVocabRemappingTest obj's underlying member method code with example usage: obj.setUp() without return types