bdd.it('should return {browser-specific} for <img usemap="…" tabindex="-1">', function() {
        var element = document.getElementById('img-usemap');
        element.setAttribute('tabindex', '-1');
        expect(isFocusRelevant(element)).to.equal(supports.focusRedirectImgUsemap || supports.focusImgUsemapTabindex);
      });