chore: fix tests

internal/api/httpinvoce/model.go

@@ -57,13 +57,13 @@ func (s sendReq) ToEMail() email.Mail {
 func (s *Service) sendErrf(w http.ResponseWriter, statusCode int, format string, a ...any) {
 	msg := fmt.Sprintf(format, a...)
 	s.log.Error(msg, slog.Any("statusCode", statusCode))
-	w.Write([]byte(msg))
 	w.WriteHeader(statusCode)
+	w.Write([]byte(msg))
 }
 
 func (s *Service) sendErr(w http.ResponseWriter, statusCode int, a ...any) {
 	msg := fmt.Sprint(a...)
 	s.log.Error(msg, slog.Any("statusCode", statusCode))
-	w.Write([]byte(msg))
 	w.WriteHeader(statusCode)
+	w.Write([]byte(msg))
 }