code: def test_get_all_logical_forms(self):
      # get_all_logical_forms should sort logical forms by length.
      ten_shortest_logical_forms = self.walker.get_all_logical_forms(
          max_num_logical_forms=10
      )
      shortest_logical_form = ten_shortest_logical_forms[0]
      assert shortest_logical_form == "(object_exists all_objects)"
      length_three_logical_forms = ten_shortest_logical_forms[1:4]
      assert set(length_three_logical_forms) == set(
          [
              "(object_exists (black all_objects))",
              "(object_exists (touch_wall all_objects))",
              "(object_exists (triangle all_objects))",
          ]
      )
  
file_path: magnitude/pymagnitude/third_party/allennlp/tests/semparse/action_space_walker_test.py
imports: from __future__ import absolute_import
  from nltk.sem.logic import TRUTH_TYPE
  from allennlp.common.testing import AllenNlpTestCase
  from allennlp.semparse.worlds.world import World
  from allennlp.semparse import ActionSpaceWalker
label_desc: Use image node_id 3 for calling the ActionSpaceWalkerTest obj's underlying member method code with example usage: obj.test_get_all_logical_forms() without return types