// "parent/subname#NN". Try the next number.
			continue
		}

		return name
	}
}

// parseSubtestNumber splits a subtest name into a "#%02d"-formatted int32
// suffix (if present), and a prefix preceding that suffix (always).
func parseSubtestNumber(s string) (prefix string, nn int32) {
	i := strings.LastIndex(s, "#")
	if i < 0 {
		return s, 0
	}