Bitwise or of even numbers in an array

#[test]
fn t1() {
    let start = std::time::Instant::now();
    let val = Solution::even_number_bitwise_o_rs(vec![1, 2, 3, 4, 5, 6]);
    let expected = 6;
    log_result!(val == expected, "t1", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn t2() {
    let start = std::time::Instant::now();
    let val = Solution::even_number_bitwise_o_rs(vec![7, 9, 11]);
    let expected = 0;
    log_result!(val == expected, "t2", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn t3() {
    let start = std::time::Instant::now();
    let val = Solution::even_number_bitwise_o_rs(vec![1, 8, 16]);
    let expected = 24;
    log_result!(val == expected, "t3", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn t4() {
    let start = std::time::Instant::now();
    let val = Solution::even_number_bitwise_o_rs(vec![2]);
    let expected = 2;
    log_result!(val == expected, "t4", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn t5() {
    let start = std::time::Instant::now();
    let val = Solution::even_number_bitwise_o_rs(vec![4, 6, 8]);
    let expected = 14;
    log_result!(val == expected, "t5", start, &expected, &val);
    assert_eq!(val, expected);
}