Add smoke serverless tests for favorites (starred) feature (#200985)

## Summary

close #200701

As a follow-up to #198362 would
like to add very basic serverless test that check that the favorites
(starred) API works

x-pack/test_serverless/api_integration/test_suites/common/favorites/dashboard.ts

@@ -0,0 +1,47 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import expect from '@kbn/expect';
+import type { FtrProviderContext } from '../../../ftr_provider_context';
+
+export default function ({ getService }: FtrProviderContext) {
+  const roleScopedSupertest = getService('roleScopedSupertest');
+  const kibanaServer = getService('kibanaServer');
+
+  describe('Favorites dashboard api', function () {
+    before(async () => {
+      await kibanaServer.savedObjects.clean({
+        types: ['favorites'],
+      });
+    });
+
+    it('can favorite a dashboard', async () => {
+      const supertest = await roleScopedSupertest.getSupertestWithRoleScope('viewer', {
+        useCookieHeader: true, // favorite only works with Cookie header
+        withInternalHeaders: true,
+      });
+
+      let response = await supertest
+        .get('/internal/content_management/favorites/dashboard')
+        .expect(200);
+      expect(response.body.favoriteIds).to.eql([]);
+
+      const favoriteId = '1';
+
+      response = await supertest
+        .post(`/internal/content_management/favorites/dashboard/${favoriteId}/favorite`)
+        .expect(200);
+
+      expect(response.body.favoriteIds).to.eql([favoriteId]);
+
+      response = await supertest
+        .post(`/internal/content_management/favorites/dashboard/${favoriteId}/unfavorite`)
+        .expect(200);
+      expect(response.body.favoriteIds).to.eql([]);
+    });
+  });
+}

x-pack/test_serverless/api_integration/test_suites/common/favorites/esql.ts

@@ -0,0 +1,62 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import expect from '@kbn/expect';
+import type { FtrProviderContext } from '../../../ftr_provider_context';
+
+export default function ({ getService }: FtrProviderContext) {
+  const roleScopedSupertest = getService('roleScopedSupertest');
+  const kibanaServer = getService('kibanaServer');
+
+  describe('Favorites esql query api', function () {
+    before(async () => {
+      await kibanaServer.savedObjects.clean({
+        types: ['favorites'],
+      });
+    });
+
+    it('can favorite an esql_query', async () => {
+      const supertest = await roleScopedSupertest.getSupertestWithRoleScope('viewer', {
+        useCookieHeader: true, // favorite only works with Cookie header
+        withInternalHeaders: true,
+      });
+
+      const list = () =>
+        supertest.get('/internal/content_management/favorites/esql_query').expect(200);
+
+      let response = await list();
+      expect(response.body.favoriteIds).to.eql([]);
+
+      const favoriteId = '1';
+      const metadata = {
+        queryString: 'SELECT * FROM test1',
+        createdAt: '2021-09-01T00:00:00Z',
+        status: 'success',
+      };
+
+      response = await supertest
+        .post(`/internal/content_management/favorites/esql_query/${favoriteId}/favorite`)
+        .send({ metadata })
+        .expect(200);
+
+      expect(response.body.favoriteIds).to.eql([favoriteId]);
+
+      response = await list();
+      expect(response.body.favoriteIds).to.eql([favoriteId]);
+      expect(response.body.favoriteMetadata).to.eql({ [favoriteId]: metadata });
+
+      response = await supertest
+        .post(`/internal/content_management/favorites/esql_query/${favoriteId}/unfavorite`)
+        .expect(200);
+      expect(response.body.favoriteIds).to.eql([]);
+
+      response = await list();
+      expect(response.body.favoriteIds).to.eql([]);
+      expect(response.body.favoriteMetadata).to.eql({});
+    });
+  });
+}

x-pack/test_serverless/api_integration/test_suites/common/favorites/index.ts

@@ -0,0 +1,15 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import type { FtrProviderContext } from '../../../ftr_provider_context';
+
+export default function ({ loadTestFile }: FtrProviderContext) {
+  describe('Favorites API', function () {
+    loadTestFile(require.resolve('./dashboard'));
+    loadTestFile(require.resolve('./esql'));
+  });
+}

x-pack/test_serverless/api_integration/test_suites/observability/common_configs/config.group1.ts

@@ -33,6 +33,7 @@ export default async function ({ readConfigFile }: FtrConfigProviderContext) {
       require.resolve('../../common/saved_objects_management'),
       require.resolve('../../common/telemetry'),
       require.resolve('../../common/data_usage'),
+      require.resolve('../../common/favorites'),
     ],
     junit: {
       reportName: 'Serverless Observability API Integration Tests - Common Group 1',

x-pack/test_serverless/api_integration/test_suites/search/common_configs/config.group1.ts

@@ -31,6 +31,7 @@ export default async function ({ readConfigFile }: FtrConfigProviderContext) {
       require.resolve('../../common/saved_objects_management'),
       require.resolve('../../common/telemetry'),
       require.resolve('../../common/data_usage'),
+      require.resolve('../../common/favorites'),
     ],
     junit: {
       reportName: 'Serverless Search API Integration Tests - Common Group 1',

x-pack/test_serverless/api_integration/test_suites/security/common_configs/config.group1.ts

@@ -33,6 +33,7 @@ export default async function ({ readConfigFile }: FtrConfigProviderContext) {
       require.resolve('../../common/saved_objects_management'),
       require.resolve('../../common/telemetry'),
       require.resolve('../../common/data_usage'),
+      require.resolve('../../common/favorites'),
     ],
     junit: {
       reportName: 'Serverless Security API Integration Tests - Common Group 1',