setCookies
Sets one or more cookies for the current page. Make sure you are on the page that should receive the cookie. You can't set a cookie for an arbitrary page without being on that page.
Usage
browser.setCookies(cookie)
Parameters
| Name | Type | Details | 
|---|---|---|
| cookie | Object | cookie object or object array | 
Example
it('should set a cookie for the page', () => {
    browser.url('/')
    // set a single cookie
    browser.setCookies({
        name: 'test1',
        value: 'one'
        // The below options are optional
        // path: '/foo', // The cookie path. Defaults to "/"
        // domain: '.example.com', // The domain the cookie is visible to. Defaults to the current browsing context’s active document’s URL domain
        // secure: true, // Whether the cookie is a secure cookie. Defaults to false
        // httpOnly: true, // Whether the cookie is an HTTP only cookie. Defaults to false
        // expiry: 1551393875 // When the cookie expires, specified in seconds since Unix Epoch
    })
    // set multiple cookies
    browser.setCookies([
        {name: 'test2', value: 'two'},
        {name: 'test3', value: 'three'}
    ])
    const cookies = browser.getCookies()
    console.log(cookies);
    // outputs:
    // [
    //      {name: 'test1', value: 'one', domain: 'www.example.com'},
    //      {name: 'test2', value: 'two', domain: 'www.example.com'},
    //      {name: 'test3', value: 'three', domain: 'www.example.com'}
    // ]
});