code: def test_greedy(self):
      selector = selectors.construct_representation_selector(
          ["a", "b", "c"], "greedy", sample_freq=2, update_freq=1
      )
      self.assertEqual(0, selector.select(0))  # Initialization value
      selector.update(1, [0.5, 0.3, 0.6])
      self.assertEqual(2, selector.select(1))
      self.assertEqual(2, selector.select(2))
      selector.update(2, [0.5, 0.3, 0.4])
      self.assertEqual(0, selector.select(3))
      self.assertEqual(0, selector.select(4))
  
file_path: neural-structured-learning/research/multi_representation_adversary/multi_representation_adversary/selectors_test.py
imports: import gin
  from multi_representation_adversary import selectors
  import tensorflow.compat.v2
label_desc: Use image node_id 1 for calling the SelectorsTest obj's underlying member method code with example usage: obj.test_greedy() without return types