es: {
                        type: 'bar',
                        large: true,
                        sampling: 'lttb',
                        data: data
                    }
                };

                var chart = testHelper.create(echarts, 'bar-incremental-large', {
                    option: option,
                    height: 400,
                    buttons: makeToggleChartButtons(function (clip) {
                        chart.setOption({
                            series: [{
           