* @see Color#name()
* @see StringBuilder#append(String)
*/
@Test
public void changeColorOfAllShapes_AND_buildStringShowingAllTheOldColors() {
List<Shape> myShapes = Arrays.asList(new Shape(BLUE), new Shape(BLACK), new Shape(YELLOW));
StringBuilder builder = new StringBuilder();
Shapes.changeColorAndMakeStringOfOldColors(myShapes, RED, builder);
assertThat(myShapes, hasSize(3));