LineChart chartObject = new LineChart(driver, highChartSVGElement);
assertThat(chartObject.isChartDisplayed(), is(equalTo(true)));
assertThat(chartObject.isLegendDisplayed(), is(equalTo(true)));
chartObject.hoverOverPointOfGraphAtXAxisLabel("Bananas");
assertThat(chartObject.isTooltipDisplayed(), is(equalTo(true)));
assertThat(chartObject.getToolTipLine(1), is(equalTo("Bananas")));
assertThat(chartObject.getToolTipLine(2), is(equalTo("Jane")));
assertThat(chartObject.getToolTipLine(3), is(equalTo(":")));