Protractor conditional testing

gistfile1.js

describe('conditional testing', function() {
    it('should be able to test conditionally', function() {
        browser.get('http://www.angularjs.org');
        element(by.css('.theresnowaythisclassexists')).then(
            function elementExists() {
                expect(false).toBe(true);
            },
            function elementDoesNotExist() {
                expect(true).toBe(true);
            }
        );

        element(by.css('html')).then(
            function elementExists() {
                expect(true).toBe(true);
            },
            function elementDoesNotExist() {
                expect(false).toBe(true);
            }
        );
    });
});