diff --git a/test/ChartTest.vala b/test/ChartTest.vala
index 46074fa..4f3d694 100644
--- a/test/ChartTest.vala
+++ b/test/ChartTest.vala
@@ -48,12 +48,18 @@ void plot_chart1 (Chart chart) {
 	//chart.legend.show = false;
 	s1.title.font.size = 16;
 	s2.title.font.size = 16;
+	s2.title.font.slant = Cairo.FontSlant.ITALIC;
+	s2.title.font.weight = Cairo.FontWeight.BOLD;
 	s3.title.font.size = 16;
 	s1.axis_x.title.font.size = 14;
 	s2.axis_x.title.font.size = 14;
+	s2.axis_x.title.font.slant = Cairo.FontSlant.ITALIC;
+	s2.axis_x.title.font.weight = Cairo.FontWeight.BOLD;
 	s3.axis_x.title.font.size = 18;
 	s1.axis_y.title.font.size = 14;
 	s2.axis_y.title.font.size = 14;
+	s2.axis_y.title.font.slant = Cairo.FontSlant.ITALIC;
+	s2.axis_y.title.font.weight = Cairo.FontWeight.BOLD;
 	s3.axis_y.title.font.size = 18;
 	s1.axis_x.font_style.size = 12;
 	s2.axis_x.font_style.size = 12;