}
public @Test void testMathTool() {
MathTool mathTool = (MathTool)toolbox.get("math");
assertNotNull(mathTool);
assertEquals(1,mathTool.abs(-1));
assertEquals(2,mathTool.add(1,1));
assertEquals(3,mathTool.ceil(2.5));
assertEquals(4,mathTool.div(8,2));
assertEquals(5,mathTool.floor(5.1));
assertEquals(6,mathTool.getAverage(new long[] {5,6,7}));