Maximum value of an ordered triplet i

#[test]
fn t1() {
    let start = std::time::Instant::now();
    let val = Solution::maximum_triplet_value(vec![12, 6, 1, 2, 7]);
    let expected = 77;
    log_result!(val == expected, "t1", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn t2() {
    let start = std::time::Instant::now();
    let val = Solution::maximum_triplet_value(vec![1, 10, 3, 4, 19]);
    let expected = 133;
    log_result!(val == expected, "t2", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn t3() {
    let start = std::time::Instant::now();
    let val = Solution::maximum_triplet_value(vec![1, 2, 3]);
    let expected = 0;
    log_result!(val == expected, "t3", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn t4() {
    let start = std::time::Instant::now();
    let val = Solution::maximum_triplet_value(vec![5, 7, 4, 8, 3]);
    let expected = 24;
    log_result!(val == expected, "t4", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn t5() {
    let start = std::time::Instant::now();
    let val = Solution::maximum_triplet_value(vec![1, 1, 1]);
    let expected = 0;
    log_result!(val == expected, "t5", start, &expected, &val);
    assert_eq!(val, expected);
}