Sorts dict of results based on log start_time.

    Sorts the results and returns an array with only the values but sorted
    by oldest value first.value

    Args:
      results_dicts: List of result dicts

    Returns:
      List of only the time but sorted oldest first.

def _sorted_results(self, results_dicts):
    """Sorts dict of results based on log start_time.

    Sorts the results and returns an array with only the values but sorted
    by oldest value first.value

    Args:
      results_dicts: List of result dicts

    Returns:
      List of only the time but sorted oldest first.
    """
    print('results dicts:', results_dicts)
    sorted_dict = sorted(results_dicts, key=lambda k: k['start_time'])
    results = []
    for entry in sorted_dict:
      results.append(entry['dt'])
    return results