assertHash(3, 0x2ea59f466f6bed8cL, 0xc610990acc428a17L, "hello w");
    assertHash(4, 0x79f6305a386c572cL, 0x46305aed3483b94eL, "hello wo");
    assertHash(5, 0xc2219d213ec1f1b5L, 0xa1d8e2e0a52785bdL, "hello wor");
    assertHash(
        0, 0xe34bbc7bbc071b6cL, 0x7a433ca9c49a9347L, "The quick brown fox jumps over the lazy dog");
    assertHash(

 * expected to be unequal. For example:
 *
 * {@snippet :
 * EquivalenceTester.of(someStringEquivalence)
 *     .addEquivalenceGroup("hello", "h" + "ello")
 *     .addEquivalenceGroup("world", "wor" + "ld")
 *     .test();
 * }
 *
 * <p>Note that testing {@link Object#equals(Object)} is more simply done using the {@link
 * EqualsTester}. It includes an extra test against an instance of an arbitrary class without having