@Test
    public void testGroupedToList() {
        // [#271]
        assertEquals(
            "[(0, 012), (1, 345), (2, 67)]",
            Seq.range(0, 8)
               .grouped(i -> (int) i / 3)
               .toList()
               .toString());
    }
@author Lukas Eder
@author Roman Tkalenko
jOOL/src/test/java/org/jooq/lambda/SeqTest.java