@Test
	public void testToString() {
		String test = "BLUE;RED;GREEN;";
		
		CodeObject obj1 = new CodeObject();
		
		obj1.addColour(ColourCode.BLUE);
		obj1.addColour(ColourCode.RED);
		obj1.addColour(ColourCode.GREEN);
		
		assertEquals(test, obj1.toString());
	}