public static Test suite() {
        TestSuite suite = new TestSuite("org.jfree.chart.block");
        suite.addTestSuite(AbstractBlockTests.class);
        suite.addTestSuite(BlockBorderTests.class);
        suite.addTestSuite(BlockContainerTests.class);
        suite.addTestSuite(BorderArrangementTests.class);
        suite.addTestSuite(ColorBlockTests.class);
        suite.addTestSuite(ColumnArrangementTests.class);
        suite.addTestSuite(EmptyBlockTests.class);
        suite.addTestSuite(FlowArrangementTests.class);
        suite.addTestSuite(GridArrangementTests.class);
        suite.addTestSuite(LabelBlockTests.class);
        suite.addTestSuite(LineBorderTests.class);
        suite.addTestSuite(RectangleConstraintTests.class);
        return suite;