s = regexp.QuoteMeta(s)
	s = strings.ReplaceAll(s, "^V", "\x16")
	s = strings.ReplaceAll(s, ":NNN:", `:\d\d\d\d?:`)
	s = strings.ReplaceAll(s, "N\\.NNs", `\d*\.\d*s`)
	return s
}

func TestBenchmarkOutput(t *T) {
	// Ensure Benchmark initialized common.w by invoking it with an error and
	// normal case.
	Benchmark(func(b *B) { b.Error("do not print this output") })
	Benchmark(func(b *B) {})
}