public void FillInFieldWith(FieldEnum fieldName, string text)
        {
            MailPage mailPage = new MailPage();

            if (text == "default")
            {
                MessageEntity message = MessageEntity.GetDefaultMessageInfo();
                mailPage.FillingDefaultEmailForm(message);
            }
            else
            {
                switch (fieldName)
                {
                case FieldEnum.Reciever:
                {
                    mailPage.FillInRecieverField(text);
                    break;
                }

                case FieldEnum.Theme:
                {
                    mailPage.FillInThemeField(text);
                    break;
                }

                case FieldEnum.Body:
                {
                    mailPage.FillInBodyOfMessage(text);
                    break;
                }

                default:
                { throw new NoSuchElementException
                            ($"Field with '{fieldName}' name is not found"); }
                }
            }
        }