121 def _break_down_block(block_info, common_prefix):  argument
160       result.append((common_prefix, line[0]))
265 def _get_block_infos(run_infos, test_path, args, common_prefix):  # noqa  argument
381     if common_prefix and len(block_infos[block_num]) > 1:
387         breakdown = _break_down_block(block_infos[block_num], common_prefix)
394 def _write_block(output, block, not_prefix_set, common_prefix, prefix_pad):  argument
415         if num_lines_of_prefix > 1 or any(p == common_prefix
435                   args, common_prefix, prefix_pad):  argument
482                                     common_prefix,
504                                         common_prefix,
551     common_prefix, prefix_pad = _get_useful_prefix_info(run_infos)
552     block_infos = _get_block_infos(run_infos, test_path, args, common_prefix)
558                   common_prefix,