Added test to ensure that XHR adapter does not read cookies if xsrfCookieName is null
Added test to ensure that XHR adapter does not read cookies if xsrfCookieName is null

akshatnitd/axios,axios/axios,akshatnitd/axios,mzabriskie/axios,renzhaozhao/axios,nickuraltsev/axios,nickuraltsev/axios,renzhaozhao/axios,axios/axios,nickuraltsev/axios,axios/axios,mzabriskie/axios,akshatnitd/axios,mzabriskie/axios,renzhaozhao/axios