parameters: (file_names)
return_statement: return ids
docstring: Returns a set containing all ids in tests
docstring_summary: Returns a set containing all ids in tests
docstring_tokens: Returns a set containing all ids in tests
function: def find_ids_in_test_files(file_names):
      """Returns a set containing all ids in tests"""
  
      ids = set()
      for file_name in file_names:
          ids |= find_ids_in_test_file(file_name)
      return ids
function_tokens: def find_ids_in_test_files ( file_names ) : ids = set ( ) for file_name in file_names : ids |= find_ids_in_test_file ( file_name ) return ids