code: def test_get_random_architecture(self):
      architecture = common.get_random_architecture(["a", "b", "c"], 3)
      self.assertLen(architecture, 3)
      self.assertAllInSet(architecture, ["a", "b", "c"])
  
file_path: model_search/model_search/search/common_test.py
imports: from absl.testing import parameterized
  from model_search.search import common
  import tensorflow.compat.v2
label_desc: Use image node_id 2 for calling the CommonTest obj's underlying member method code with example usage: obj.test_get_random_architecture() without return types