code: def test_blocks_search_space(self):
      hps = block_builder.Blocks.search_space()
      self.assertIn("TUNABLE_SVDF_output_size", hps)
      self.assertIn("TUNABLE_SVDF_rank", hps)
      self.assertIn("TUNABLE_SVDF_projection_size", hps)
      self.assertIn("TUNABLE_SVDF_memory_size", hps)
      hps = block_builder.Blocks.search_space(["TUNABLE_SVDF"])
      self.assertIn("TUNABLE_SVDF_output_size", hps)
      self.assertIn("TUNABLE_SVDF_rank", hps)
      self.assertIn("TUNABLE_SVDF_projection_size", hps)
      self.assertIn("TUNABLE_SVDF_memory_size", hps)
  
file_path: model_search/model_search/block_builder_test.py
imports: from model_search import block_builder
  import tensorflow.compat.v2
label_desc: Use image node_id 3 for calling the BlocksBuilderTest obj's underlying member method code with example usage: obj.test_blocks_search_space() without return types