gistfile1.js

this.Then(/^item info - "([^"]+)" should match/, function(key, next) {
        itemPage.getInfo(key).then(
            function(data) {
                //data: {info, pattern}
                expect(data.pattern.test(data.info), 'itemInfo match error').to.be.true;
            }
        ).then(next, next);
    });