@BeforeClass
	public static void setUpBeforeClass() throws Exception {
		testImage = new BufferedImage(9, 9, BufferedImage.TYPE_INT_RGB);
		for(int x = 3; x < 6; ++x) {
			for(int y = 3; y < 6; ++y) {
				testImage.setRGB(x, y, 0xFFFFFF);
			}
		}
	}