code: def test_caller():
      # The usage of pipeline has been deleted, the test of new function 'pipe' is in 'test_data_collection.py'
      # pipeline_runner()
      image_class_pipeline_runner()
      data_collection_API_cases_runner()
      # skip audio tests for issue 463
      # audio_class_pipeline_runner()
      # command_cases_runner() S3 has been removed
  
      return True
  
file_path: towhee/tests/testcases/test_main.py
imports: from operator import methodcaller
  from test_image_embedding import *
  from test_data_collection import *
  from test_command import *
label_desc: Use image node_id 10 for calling a global function with example usage: test_caller() and returns: True