module.exports =  (frame, assert, browserWidth, helper) => {
    describe('Spy-navigation',  () => {
        let spyNavigation;
        let links;
        let lastLink;

        beforeEach( () => {
            spyNavigation = frame.get('.sc-spy-navigation');
            links = frame.getAll('.sc-spy-navigation__link');
            assert(links.length() > 0, 'we have no links on page');
            lastLink = frame.get('.sc-spy-navigation__link:last-child').toDomElement();
        })

        afterEach(done => {
            helper.reload(frame, done)
        })

        it('Initial state is non-sticky and inactive',  () => {
            assert.equal(spyNavigation.getRawStyle('position'), 'relative', 'position should be relative');

            for (var i = 0; i < links.length() - 1; i ++) {
                assert.isFalse(helper.hasClass(links.at(i).toDomElement(), 'sc-spy-navigation__link--active'), 'has not active link');
            }
        });

        it('Sticky behaviour, scroll to anchor and set active tab',  done => {
            //as timeout is too long, we must check all behaviours in one test
            helper.click(lastLink);
            setTimeout(function () {
                assert.equal(spyNavigation.getRawStyle('position'), 'fixed', 'position should be fixed');

                const lastSection = frame.get('a[name="section-4"]');

                //ie calculates differently than other browsers
                assert.oneOf(Math.round(lastSection.getRawPosition().top), [- 1, 0, 1], 'position should be on top');

                assert.isTrue(helper.hasClass(lastLink, 'sc-spy-navigation__link--active'), 'last link has active class');
                done();
            }, 1000); //timeout for scrolling
        });

        // it('Change class by scrolling to the section', function (done) {
        //     //as timeout is too long, we must check all behaviours in one test
        //     var lastSection = frame.get('a[name="section-4"]').toDomElement();
        //     var lastLink = frame.get('.sc-spy-navigation__link:last-child').toDomElement();
        //     lastSection.scrollIntoView(true);
        //     setTimeout(function () {
        //         assert.equal(spyNavigation.getRawStyle('position'), 'fixed', 'position should be fixed');
        //         assert.isTrue(helper.hasClass(lastLink, 'sc-spy-navigation__link--active'), 'last link has active class');
        //         done();
        //     }, 400); //timeout for scrolling
        // });

    });
};

@@ -946,32 +946,35 @@
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@@ -1751,24 +1751,27 @@
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fix tests