[Discover] Fix functional time picker test permissions for cloud

test/functional/apps/discover/_indexpattern_without_timefield.ts

@@ -22,16 +22,19 @@ import { FtrProviderContext } from '../../ftr_provider_context';
 export default function ({ getService, getPageObjects }: FtrProviderContext) {
   const esArchiver = getService('esArchiver');
   const kibanaServer = getService('kibanaServer');
+  const security = getService('security');
   const PageObjects = getPageObjects(['common', 'timePicker', 'discover']);
 
   describe('indexpattern without timefield', () => {
     before(async () => {
+      await security.testUser.setRoles(['kibana_admin', 'kibana_timefield']);
       await esArchiver.loadIfNeeded('index_pattern_without_timefield');
       await kibanaServer.uiSettings.replace({ defaultIndex: 'without-timefield' });
       await PageObjects.common.navigateToApp('discover');
     });
 
     after(async () => {
+      await security.testUser.restoreDefaults();
       await esArchiver.unload('index_pattern_without_timefield');
     });
 

test/functional/config.js

@@ -229,6 +229,21 @@ export default async function ({ readConfigFile }) {
           kibana: [],
         },
 
+        kibana_timefield: {
+          elasticsearch: {
+            cluster: [],
+            indices: [
+              {
+                names: ['without-timefield', 'with-timefield'],
+                privileges: ['read', 'view_index_metadata'],
+                field_security: { grant: ['*'], except: [] },
+              },
+            ],
+            run_as: [],
+          },
+          kibana: [],
+        },
+
         kibana_large_strings: {
           elasticsearch: {
             cluster: [],