async getRow(rowPosition) {
        const rows = await $(this.rootElement).$$('tbody > tr[data-id="table_body-row"]');
        if (rows[rowPosition]) {
            return new PageTableRow(
                `${this.rootElement} tr[data-id="table_body-row"]:nth-child(${rowPosition + 1})`,
            );
        }
        return null;
    }
Returns a new Row page object of the row in the position passed.
@method
@param {number} rowPosition - The base 0 index of the row item.