public static Test suite() {
        TestSuite suite = new TestSuite("org.jfree.chart.annotations");
        suite.addTestSuite(CategoryLineAnnotationTests.class);
        suite.addTestSuite(CategoryPointerAnnotationTests.class);
        suite.addTestSuite(CategoryTextAnnotationTests.class);
        suite.addTestSuite(TextAnnotationTests.class);
        suite.addTestSuite(XYBoxAnnotationTests.class);
        suite.addTestSuite(XYDrawableAnnotationTests.class);
        suite.addTestSuite(XYImageAnnotationTests.class);
        suite.addTestSuite(XYLineAnnotationTests.class);
        suite.addTestSuite(XYPointerAnnotationTests.class);
        suite.addTestSuite(XYPolygonAnnotationTests.class);
        suite.addTestSuite(XYShapeAnnotationTests.class);
        suite.addTestSuite(XYTextAnnotationTests.class);
        return suite;