[8.x] [Synthetics] Fixes broken e2e tests !! (#197567) (#197579)

# Backport

This will backport the following commits from `main` to `8.x`:
- [[Synthetics] Fixes broken e2e tests !!
(#197567)](#197567)

<!--- Backport version: 9.4.3 -->

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

<!--BACKPORT
[{"author":{"name":"Shahzad","email":"shahzad31comp@gmail.com"},"sourceCommit":{"committedDate":"2024-10-24T09:10:51Z","message":"[Synthetics]
Fixes broken e2e tests !! (#197567)\n\n## Summary\r\n\r\nFixes broken
e2e tests !!\r\n\r\nRules API behavior somehow has changed , i still not
sure what changed\r\nbut now it will rely on UI
!!","sha":"b61a627ef3a04617b2834e6c445666318a98d848","branchLabelMapping":{"^v9.0.0$":"main","^v8.17.0$":"8.x","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:skip","v9.0.0","backport:prev-minor","ci:project-deploy-observability","Team:obs-ux-management"],"title":"[Synthetics]
Fixes broken e2e tests
!!","number":197567,"url":"https://github.com/elastic/kibana/pull/197567","mergeCommit":{"message":"[Synthetics]
Fixes broken e2e tests !! (#197567)\n\n## Summary\r\n\r\nFixes broken
e2e tests !!\r\n\r\nRules API behavior somehow has changed , i still not
sure what changed\r\nbut now it will rely on UI
!!","sha":"b61a627ef3a04617b2834e6c445666318a98d848"}},"sourceBranch":"main","suggestedTargetBranches":[],"targetPullRequestStates":[{"branch":"main","label":"v9.0.0","branchLabelMappingKey":"^v9.0.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/197567","number":197567,"mergeCommit":{"message":"[Synthetics]
Fixes broken e2e tests !! (#197567)\n\n## Summary\r\n\r\nFixes broken
e2e tests !!\r\n\r\nRules API behavior somehow has changed , i still not
sure what changed\r\nbut now it will rely on UI
!!","sha":"b61a627ef3a04617b2834e6c445666318a98d848"}}]}] BACKPORT-->

Co-authored-by: Shahzad <shahzad31comp@gmail.com>

x-pack/plugins/observability_solution/synthetics/e2e/synthetics/journeys/alert_rules/custom_status_alert.journey.ts

@@ -5,17 +5,14 @@
  * 2.0.
  */
 
-import { journey, step, before, after, expect } from '@elastic/synthetics';
-import { RetryService } from '@kbn/ftr-common-functional-services';
+import { journey, step, before, after } from '@elastic/synthetics';
 import { syntheticsAppPageProvider } from '../../page_objects/synthetics_app';
 import { SyntheticsServices } from '../services/synthetics_services';
 
 journey(`CustomStatusAlert`, async ({ page, params }) => {
   const syntheticsApp = syntheticsAppPageProvider({ page, kibanaUrl: params.kibanaUrl, params });
 
   const services = new SyntheticsServices(params);
-  const getService = params.getService;
-  const retry: RetryService = getService('retry');
 
   const firstCheckTime = new Date(Date.now()).toISOString();
 
@@ -61,19 +58,7 @@ journey(`CustomStatusAlert`, async ({ page, params }) => {
   });
 
   step('verify rule creation', async () => {
-    await retry.try(async () => {
-      const rules = await services.getRules();
-      expect(rules.length).toBe(3);
-      expect(rules[2].params).toStrictEqual({
-        condition: {
-          downThreshold: 3,
-          locationsThreshold: 1,
-          groupBy: 'locationId',
-          window: {
-            numberOfChecks: 5,
-          },
-        },
-      });
-    });
+    await syntheticsApp.goToRulesPage();
+    await page.waitForSelector(`text='Synthetics status rule'`);
   });
 });

x-pack/plugins/observability_solution/synthetics/e2e/synthetics/journeys/services/synthetics_services.ts

@@ -221,14 +221,6 @@ export class SyntheticsServices {
     }
   }
 
-  async getRules() {
-    const response = await axios.get(this.kibanaUrl + '/internal/alerting/rules/_find', {
-      auth: { username: 'elastic', password: 'changeme' },
-      headers: { 'kbn-xsrf': 'true' },
-    });
-    return response.data.data;
-  }
-
   async setupTestConnector() {
     const indexConnector = {
       name: 'test index',

x-pack/plugins/observability_solution/synthetics/e2e/synthetics/page_objects/synthetics_app.tsx

@@ -393,5 +393,10 @@ export function syntheticsAppPageProvider({
       const isDisabled = await addMonitorBtn.isDisabled();
       return !isDisabled;
     },
+
+    async goToRulesPage() {
+      const rulesPage = '/app/observability/alerts/rules';
+      await page.goto(basePath + rulesPage);
+    },
   };
 }