begin := regexp.MustCompile(`(?m)^>> begin log \d+ <<\n`)
	x = begin.ReplaceAllString(x, "")
	prefix := regexp.MustCompile(`(?m)^\[[^]]+\]`)
	x = prefix.ReplaceAllString(x, "[]")
	return x
}

func TestDebugLog(t *testing.T) {
	skipDebugLog(t)
	runtime.ResetDebugLog()
	runtime.Dlog().S("testing").End()
	got := dlogCanonicalize(runtime.DumpDebugLog())
	if want := "[] testing\n"; got != want {