'Test the creation of a simple XlsxWriter file with conditional formatting.'

def test_create_file(self):

    workbook = Workbook(self.got_filename)
    worksheet = workbook.add_worksheet()
    format1 = workbook.add_format({'border': 1})
    worksheet.write('A1', 10)
    worksheet.write('A2', 20)
    worksheet.write('A3', 30)
    worksheet.write('A4', 40)
    worksheet.conditional_format('A1', {'type': 'cell', 'format': format1, 'criteria': '==', 'value': 7})
    workbook.close()
    self.assertExcelEqual()
