'Test the creation of an XlsxWriter file with utf-8 strings.'

def test_create_file(self):

    workbook = Workbook(self.got_filename)
    worksheet = workbook.add_worksheet()
    worksheet.write_formula(u'A1', u'="Caf\xe9"', None, u'Caf\xe9')
    workbook.close()
    self.assertExcelEqual()
