[APM] Fix 401 issue with Serverless tests for APM (#164162)

## Summary

Fix credential issues for running serverless tests for APM against MKI

x-pack/plugins/apm/server/test_helpers/create_apm_users/authentication.ts

@@ -138,5 +138,3 @@ export const users: Record<
     customRoleNames: [ApmCustomRolename.apmManageServiceAccount],
   },
 };
-
-export const APM_TEST_PASSWORD = 'changeme';

x-pack/test/api_integration/apis/asset_manager/config_with_assets_source.ts

@@ -5,7 +5,6 @@
  * 2.0.
  */
 
-import { APM_TEST_PASSWORD } from '@kbn/apm-plugin/server/test_helpers/create_apm_users/authentication';
 import {
   ApmSynthtraceEsClient,
   ApmSynthtraceKibanaClient,
@@ -14,7 +13,7 @@ import {
   InfraSynthtraceEsClient,
   LogLevel,
 } from '@kbn/apm-synthtrace';
-import { FtrConfigProviderContext } from '@kbn/test';
+import { FtrConfigProviderContext, kbnTestConfig } from '@kbn/test';
 import url from 'url';
 import { FtrProviderContext as InheritedFtrProviderContext } from '../../ftr_provider_context';
 import { InheritedServices } from './types';
@@ -64,7 +63,7 @@ export default async function createTestConfig({
         const kibanaServerUrlWithAuth = url
           .format({
             ...url.parse(kibanaServerUrl),
-            auth: `elastic:${APM_TEST_PASSWORD}`,
+            auth: `elastic:${kbnTestConfig.getUrlParts().password}`,
           })
           .slice(0, -1);
 

x-pack/test/api_integration/apis/asset_manager/config_with_signals_source.ts

@@ -5,7 +5,6 @@
  * 2.0.
  */
 
-import { APM_TEST_PASSWORD } from '@kbn/apm-plugin/server/test_helpers/create_apm_users/authentication';
 import {
   ApmSynthtraceEsClient,
   ApmSynthtraceKibanaClient,
@@ -14,7 +13,7 @@ import {
   InfraSynthtraceEsClient,
   LogLevel,
 } from '@kbn/apm-synthtrace';
-import { FtrConfigProviderContext } from '@kbn/test';
+import { FtrConfigProviderContext, kbnTestConfig } from '@kbn/test';
 import url from 'url';
 import { FtrProviderContext as InheritedFtrProviderContext } from '../../ftr_provider_context';
 import { InheritedServices } from './types';
@@ -64,7 +63,7 @@ export default async function createTestConfig({
         const kibanaServerUrlWithAuth = url
           .format({
             ...url.parse(kibanaServerUrl),
-            auth: `elastic:${APM_TEST_PASSWORD}`,
+            auth: `elastic:${kbnTestConfig.getUrlParts().password}`,
           })
           .slice(0, -1);
 

x-pack/test/apm_api_integration/common/bootstrap_apm_synthtrace.ts

@@ -4,7 +4,6 @@
  * 2.0; you may not use this file except in compliance with the Elastic License
  * 2.0.
  */
-import { APM_TEST_PASSWORD } from '@kbn/apm-plugin/server/test_helpers/create_apm_users/authentication';
 import {
   ApmSynthtraceEsClient,
   ApmSynthtraceKibanaClient,
@@ -12,6 +11,7 @@ import {
   LogLevel,
 } from '@kbn/apm-synthtrace';
 import url from 'url';
+import { kbnTestConfig } from '@kbn/test';
 import { InheritedFtrProviderContext } from './ftr_provider_context';
 
 export async function bootstrapApmSynthtrace(
@@ -37,7 +37,7 @@ export function getApmSynthtraceKibanaClient(kibanaServerUrl: string) {
   const kibanaServerUrlWithAuth = url
     .format({
       ...url.parse(kibanaServerUrl),
-      auth: `elastic:${APM_TEST_PASSWORD}`,
+      auth: `elastic:${kbnTestConfig.getUrlParts().password}`,
     })
     .slice(0, -1);
 

x-pack/test/apm_api_integration/common/config.ts

@@ -5,13 +5,10 @@
  * 2.0.
  */
 
-import {
-  ApmUsername,
-  APM_TEST_PASSWORD,
-} from '@kbn/apm-plugin/server/test_helpers/create_apm_users/authentication';
+import { ApmUsername } from '@kbn/apm-plugin/server/test_helpers/create_apm_users/authentication';
 import { createApmUsers } from '@kbn/apm-plugin/server/test_helpers/create_apm_users/create_apm_users';
 import { ApmSynthtraceEsClient, ApmSynthtraceKibanaClient } from '@kbn/apm-synthtrace';
-import { FtrConfigProviderContext } from '@kbn/test';
+import { FtrConfigProviderContext, kbnTestConfig } from '@kbn/test';
 import supertest from 'supertest';
 import { format, UrlObject } from 'url';
 import { MachineLearningAPIProvider } from '../../functional/services/ml/api';
@@ -40,7 +37,7 @@ async function getApmApiClient({
 }) {
   const url = format({
     ...kibanaServer,
-    auth: `${username}:${APM_TEST_PASSWORD}`,
+    auth: `${username}:${kbnTestConfig.getUrlParts().password}`,
   });
 
   return createApmApiClient(supertest(url));

x-pack/test/apm_api_integration/common/registry.ts

@@ -10,10 +10,8 @@ import { castArray, groupBy } from 'lodash';
 import callsites from 'callsites';
 import { maybe } from '@kbn/apm-plugin/common/utils/maybe';
 import { joinByKey } from '@kbn/apm-plugin/common/utils/join_by_key';
-import {
-  ApmUsername,
-  APM_TEST_PASSWORD,
-} from '@kbn/apm-plugin/server/test_helpers/create_apm_users/authentication';
+import { ApmUsername } from '@kbn/apm-plugin/server/test_helpers/create_apm_users/authentication';
+import { kbnTestConfig } from '@kbn/test';
 import { APMFtrConfigName } from '../configs';
 import { FtrProviderContext } from './ftr_provider_context';
 
@@ -155,7 +153,7 @@ export function RegistryProvider({ getService }: FtrProviderContext) {
                 await supertest
                   .get('/api/ml/saved_objects/sync')
                   .set('kbn-xsrf', 'foo')
-                  .auth(ApmUsername.editorUser, APM_TEST_PASSWORD);
+                  .auth(ApmUsername.editorUser, kbnTestConfig.getUrlParts().password);
               }
               if (condition.archives.length) {
                 log('Loaded all archives');

x-pack/test_serverless/api_integration/test_suites/observability/apm_api_integration/common/apm_api_supertest.ts

@@ -4,11 +4,7 @@
  * 2.0; you may not use this file except in compliance with the Elastic License
  * 2.0.
  */
-import {
-  ApmUsername,
-  APM_TEST_PASSWORD,
-  // eslint-disable-next-line @kbn/imports/no_boundary_crossing
-} from '@kbn/apm-plugin/server/test_helpers/create_apm_users/authentication';
+import type { ApmUsername } from '@kbn/apm-plugin/server/test_helpers/create_apm_users/authentication';
 import { format, UrlObject } from 'url';
 import supertest from 'supertest';
 import request from 'superagent';
@@ -16,6 +12,7 @@ import type {
   APIReturnType,
   APIClientRequestParamsOf,
 } from '@kbn/apm-plugin/public/services/rest/create_call_apm_api';
+import { kbnTestConfig } from '@kbn/test';
 import type { APIEndpoint } from '@kbn/apm-plugin/server';
 import { formatRequest } from '@kbn/server-route-repository';
 import { InheritedFtrProviderContext } from '../../../../services';
@@ -105,7 +102,7 @@ async function getApmApiClient({
 }) {
   const url = format({
     ...kibanaServer,
-    auth: `${username}:${APM_TEST_PASSWORD}`,
+    auth: `${username}:${kbnTestConfig.getUrlParts().password}`,
   });
 
   return createApmApiClient(supertest(url));