--- old/test/java/util/UUID/UUIDTest.java 2016-02-03 21:20:31.339710390 +0300 +++ new/test/java/util/UUID/UUIDTest.java 2016-02-03 21:20:31.243710866 +0300 @@ -25,6 +25,8 @@ * @bug 4173528 5068772 * @summary Unit tests for java.util.UUID * @key randomness + * @run main/othervm -XX:+CompactStrings UUIDTest + * @run main/othervm -XX:-CompactStrings UUIDTest */ import java.util.*;