@Test public void testRandom() {

	// Arrange:
	final int colorsCount = 1000;
	final List<Integer> colors = new ArrayList<>();
	for (int i = 0; i < colorsCount; i++) {
		// Act:
		final int randomColor = Colors.random(i % 2 == 0);
		// Assert:
		assumeFalse(colors.contains(randomColor));
		colors.add(randomColor);
	}
}