       let w1 = document.querySelector(t[0]).offsetWidth;
        let w2 = document.querySelector(t[1]).offsetWidth;
        assert_not_equals(w1, w2);
    }, "expected mismatch: " + t[0] + " vs " + t[1]);
});

expectMatchOneOf.forEach((t) => {
    test(() => {
        let w1 = document.querySelector(t[0]).offsetWidth;
        let matched = false;
        t[1].forEach((t2) => {
            let w2 = document.querySelector(t2).offsetWidth;
            if (w1 == w2) {
                matched = true;
          