Verifies that Set-Cookie lines with a domain attribute including non-ASCII characters file an issue.

Issue reported: {
    code : CookieIssue
    details : {
        cookieIssueDetails : {
            cookieExclusionReasons : [
            ]
            cookieUrl : https://cookie.test:8443/inspector-protocol/network/resources/set-cookie-non-ascii-domain.php
            cookieWarningReasons : [
                [0] : WarnDomainNonASCII
            ]
            operation : SetCookie
            rawCookieLine : name=value;domain=éxample.com
            siteForCookies : https://cookie.test/
        }
    }
}