code: def get_latest_tests(file_path=None):
      if file_path is None:
          test_ref_dir = Path(
              os.path.dirname(os.path.abspath(__file__))
          )
          file_path = Path(test_ref_dir).joinpath("core.vwtest.json")
  
      json_test_spec_content = open(file_path).read()
      tests = json.loads(json_test_spec_content)
      return [x.__dict__ for x in tests]
  
file_path: vowpal_wabbit/test/runtest_coverage.py
imports: from vowpalwabbit import pyvw
  import json
  import os
  from pathlib import Path
label_desc: Use image node_id 1 for calling a global function with example usage: get_latest_tests(file_path) and returns: unknown