code: def test_uniquify_already_uniquified_name(self):
      name = "unique_name"
      unique_name = naming.uniquify(name)
      new_unique_name = naming.uniquify(unique_name)
  
      # first time `name` is uniquified so returns same name
      self.assertEqual(name, unique_name)
  
      # second time `name` is uniquified should be different
      # from the first output
      self.assertNotEqual(new_unique_name, unique_name)
  
imports: from keras.testing import test_case
  from keras.utils import naming
label_desc: Use image node_id 10 for calling the NamingUtilsTest obj's underlying member method code with example usage: obj.test_uniquify_already_uniquified_name() without return types