          ],
                    series: [
                        {
                            data: genData(0),
                            type: 'line',
                            // showSymbol: false
                        }
                    ]
                };

                var chart = testHelper.create(echarts, 'main_small_values', {
                    title: [
                        'test small values',
                    ],
                    option: option,
                    inputs: