@Test
    public void testMinAllByMaxAllBy() {
        Supplier<Seq<String>> s = () -> Seq.of("abc", "ab", "xy", "xyz");

        assertEquals(asList("abc", "xyz"), s.get().maxAllBy(String::length).toList());
        assertEquals(asList("ab" , "xy" ), s.get().minAllBy(String::length).toList());
    }
@author Lukas Eder
@author Roman Tkalenko
jOOL/src/test/java/org/jooq/lambda/SeqTest.java