[8.19] search: functional test migration for ska (#220382) (#220425)

# Backport

This will backport the following commits from `main` to `8.19`:
- [search: functional test migration for ska
(#220382)](#220382)

<!--- Backport version: 9.6.6 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sorenlouv/backport)

<!--BACKPORT [{"author":{"name":"Rodney
Norris","email":"[email protected]"},"sourceCommit":{"committedDate":"2025-05-07T18:37:55Z","message":"search:
functional test migration for ska (#220382)\n\n## Summary\n\nMigrate
functional tests for stateful search solution to new config.\nPart of
https://github.com/elastic/kibana-team/issues/1503\n\n### Checklist\n\n-
[ ] [Unit or
functional\ntests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)\nwere
updated or added to match the most common scenarios\n- [ ] [Flaky
Test\nRunner](https://ci-stats.kibana.dev/trigger_flaky_test_runner/1)
was\nused on any tests
changed","sha":"c2c356567d334f5e85d22f7748a12ced3919557a","branchLabelMapping":{"^v9.1.0$":"main","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:skip","Team:Search","backport:version","v9.1.0","v8.19.0"],"title":"search:
functional test migration for
ska","number":220382,"url":"https://github.com/elastic/kibana/pull/220382","mergeCommit":{"message":"search:
functional test migration for ska (#220382)\n\n## Summary\n\nMigrate
functional tests for stateful search solution to new config.\nPart of
https://github.com/elastic/kibana-team/issues/1503\n\n### Checklist\n\n-
[ ] [Unit or
functional\ntests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)\nwere
updated or added to match the most common scenarios\n- [ ] [Flaky
Test\nRunner](https://ci-stats.kibana.dev/trigger_flaky_test_runner/1)
was\nused on any tests
changed","sha":"c2c356567d334f5e85d22f7748a12ced3919557a"}},"sourceBranch":"main","suggestedTargetBranches":["8.19"],"targetPullRequestStates":[{"branch":"main","label":"v9.1.0","branchLabelMappingKey":"^v9.1.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/220382","number":220382,"mergeCommit":{"message":"search:
functional test migration for ska (#220382)\n\n## Summary\n\nMigrate
functional tests for stateful search solution to new config.\nPart of
https://github.com/elastic/kibana-team/issues/1503\n\n### Checklist\n\n-
[ ] [Unit or
functional\ntests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)\nwere
updated or added to match the most common scenarios\n- [ ] [Flaky
Test\nRunner](https://ci-stats.kibana.dev/trigger_flaky_test_runner/1)
was\nused on any tests
changed","sha":"c2c356567d334f5e85d22f7748a12ced3919557a"}},{"branch":"8.19","label":"v8.19.0","branchLabelMappingKey":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"}]}]
BACKPORT-->

Author: TattdCodeMonkey

.buildkite/ftr_platform_stateful_configs.yml

@@ -263,7 +263,6 @@ enabled:
   - x-pack/test/functional_cloud/config.ts
   - x-pack/test/functional_cloud/saml.config.ts
   - x-pack/test/functional_solution_sidenav/config.ts
-  - x-pack/test/functional_search/config.ts
   - x-pack/test/kubernetes_security/basic/config.ts
   - x-pack/test/licensing_plugin/config.public.ts
   - x-pack/test/licensing_plugin/config.ts

.buildkite/ftr_search_stateful_configs.yml

@@ -6,4 +6,8 @@ disabled:
   - x-pack/test/functional_enterprise_search/cypress.config.ts
   - x-pack/test/functional_enterprise_search/visual_config.ts
   - x-pack/test/functional_enterprise_search/cli_config.ts
+
+defaultQueue: 'n2-4-spot'
+enabled:
+  - x-pack/test/functional_search/config.ts
   - x-pack/test/functional/apps/search_playground/config.ts

x-pack/test/functional/apps/search_playground/playground_overview.ess.ts

@@ -42,7 +42,7 @@ export default function (ftrContext: FtrProviderContext) {
   describe('Playground', () => {
     before(async () => {
       proxy = await createLlmProxy(log);
-      await pageObjects.common.navigateToApp('enterpriseSearchApplications/playground');
+      await pageObjects.common.navigateToApp('searchPlayground');
     });
 
     after(async () => {

x-pack/test/functional/config.base.js

@@ -195,6 +195,9 @@ export default async function ({ readConfigFile }) {
       enterpriseSearch: {
         pathname: '/app/elasticsearch/overview',
       },
+      searchPlayground: {
+        pathname: '/app/search_playground',
+      },
     },
 
     suiteTags: {

x-pack/test/functional/page_objects/search_playground_page.ts

@@ -230,6 +230,7 @@ export function SearchPlaygroundPageProvider({ getService }: FtrProviderContext)
         await testSubjects.click('chatMode');
         await testSubjects.click('queryMode');
         await testSubjects.existOrFail('field-baz-false');
+        await testSubjects.click('chatMode');
       },
 
       async clickManageButton() {