fn sql_result_validator(actual: &[Vec<String>], expected: &[String]) -> bool {
    let expected = expected
        .iter()
        .map(|s| s.split_ascii_whitespace().collect::<Vec<_>>())
        .collect::<Vec<_>>();
    if let Some(first_actual) = actual.first() {
        if expected.iter().all(|v| v.len() == 1) {
            // SQLite "value-wise" compatibility.
            // Flatten and re-chunk based on column width in `actual`.
            let expected = expected.into_iter().flatten().collect::<Vec<_>>();
            let expected = expected.chunks(first_actual.len()).collect::<Vec<_>>();
            return expected == actual;
        }
    }
    actual == expected
}