Re-enable cookie specs and add custom cookie name/url validation

atom/browser/api/atom_api_cookies.cc

@@ -231,7 +231,15 @@ void SetCookieOnIO(scoped_refptr<net::URLRequestContextGetter> getter,
           last_access_time, secure, http_only,
           net::CookieSameSite::DEFAULT_MODE, net::COOKIE_PRIORITY_DEFAULT));
   auto completion_callback = base::BindOnce(OnSetCookie, callback);
-  if (!canonical_cookie) {
+  if (!canonical_cookie || !canonical_cookie->IsCanonical()) {
+    std::move(completion_callback).Run(false);
+    return;
+  }
+  if (url.empty()) {
+    std::move(completion_callback).Run(false);
+    return;
+  }
+  if (name.empty()) {
     std::move(completion_callback).Run(false);
     return;
   }

spec/api-session-spec.js

@@ -90,13 +90,13 @@ describe('session module', () => {
       })
     })
 
-    // TODO(alexeykuzmin): [Ch66] Fails. Fix it and enable back.
+    it('calls back with an error when setting a cookie with missing required fields', (done) => {
-    xit('calls back with an error when setting a cookie with missing required fields', (done) => {
       session.defaultSession.cookies.set({
         url: '',
         name: '1',
         value: '1'
       }, (error) => {
+        assert(error, 'Should have an error')
         assert.equal(error.message, 'Setting cookie failed')
         done()
       })