docstr: Try an load all the json files in pytext to make sure we didn't
  break the config API.
docstr_tok: ["Try","an","load","all","the","json","files","in","pytext","to","make","sure","we","didn't","break","the","config","API","."]
code: def test_load_all_configs(self):
      """
      Try an load all the json files in pytext to make sure we didn't
      break the config API.
      """
      for filename in glob.iglob("pytext/**/*.json", recursive=True):
          if any(f in filename for f in EXCLUDE_JSON):
              continue
          if any(d in filename for d in EXCLUDE_DIRS):
              continue
          print("--- loading:", filename)
          with PathManager.open(filename) as file:
              config_json = json.load(file)
              config = parse_config(config_json)
              self.assertIsNotNone(config)
  
file_path: pytext/pytext/config/test/pytext_all_config_test.py
imports: import glob
  import json
  import os
  import unittest
  from pytext.builtin_task import register_builtin_tasks
  from pytext.config.serialize import parse_config
  from pytext.utils.file_io import PathManager
  from pytext.utils.path import get_absolute_path, PYTEXT_HOME
label_desc: Use image node_id 1 for calling the LoadAllConfigTest obj's underlying member method code with example usage: obj.test_load_all_configs() without return types