diff --git a/.buildkite/ftr_platform_stateful_configs.yml b/.buildkite/ftr_platform_stateful_configs.yml
index 78ea84bff95c6..c77dea94cab0e 100644
--- a/.buildkite/ftr_platform_stateful_configs.yml
+++ b/.buildkite/ftr_platform_stateful_configs.yml
@@ -30,7 +30,7 @@ disabled:
   - x-pack/platform/test/alerting_api_integration/security_and_spaces/group2/tests/actions/config.ts
   - x-pack/platform/test/alerting_api_integration/security_and_spaces/group2/tests/telemetry/config.ts
   - x-pack/platform/test/alerting_api_integration/spaces_only_legacy/config.ts
-  - x-pack/test/cloud_integration/config.ts
+  - x-pack/platform/test/cloud_integration/config.ts
   - x-pack/platform/test/load/config.ts
   - x-pack/platform/test/plugin_api_perf/config.ts
   - x-pack/test/screenshot_creation/config.ts
@@ -158,7 +158,7 @@ enabled:
   - x-pack/platform/test/alerting_api_integration/spaces_only/tests/action_task_params/config.ts
   - x-pack/test/api_integration/apis/cases/config.ts
   - x-pack/test/api_integration/apis/security/config.ts
-  - x-pack/test/banners_functional/config.ts
+  - x-pack/platform/test/banners_functional/config.ts
   - x-pack/platform/test/cases_api_integration/security_and_spaces/config_basic.ts
   - x-pack/platform/test/cases_api_integration/security_and_spaces/config_trial.ts
   - x-pack/platform/test/cases_api_integration/security_and_spaces/config_no_public_base_url.ts
@@ -287,7 +287,7 @@ enabled:
   - x-pack/test/saved_object_tagging/api_integration/tagging_api/config.ts
   - x-pack/test/saved_object_tagging/api_integration/tagging_usage_collection/config.ts
   - x-pack/test/saved_object_tagging/functional/config.ts
-  - x-pack/test/saved_objects_field_count/config.ts
+  - x-pack/platform/test/saved_objects_field_count/config.ts
   - x-pack/platform/test/search_sessions_integration/config.ts
   - x-pack/test/security_api_integration/anonymous_es_anonymous.config.ts
   - x-pack/test/security_api_integration/anonymous.config.ts
@@ -357,7 +357,7 @@ enabled:
   - x-pack/performance/journeys_e2e/cloud_security_dashboard.ts
   - x-pack/performance/journeys_e2e/apm_service_inventory.ts
   - x-pack/performance/journeys_e2e/infra_hosts_view.ts
-  - x-pack/test/custom_branding/config.ts
+  - x-pack/platform/test/custom_branding/config.ts
   # stateful config files that run deployment-agnostic tests
   - x-pack/platform/test/api_integration_deployment_agnostic/configs/stateful/platform.stateful.config.ts
   # configs migrated to the new Kibana architecture
diff --git a/.buildkite/scripts/saved_object_field_metrics.sh b/.buildkite/scripts/saved_object_field_metrics.sh
index 53f0b22400dde..c6b44b9c4ab41 100755
--- a/.buildkite/scripts/saved_object_field_metrics.sh
+++ b/.buildkite/scripts/saved_object_field_metrics.sh
@@ -8,4 +8,4 @@ echo '--- Default Saved Object Field Metrics'
 node scripts/functional_tests \
   --debug --bail \
   --kibana-install-dir "$KIBANA_BUILD_LOCATION" \
-  --config x-pack/test/saved_objects_field_count/config.ts
+  --config x-pack/platform/test/saved_objects_field_count/config.ts
diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 9348012e9f855..76fdfeb9e3f2c 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -97,7 +97,7 @@ x-pack/platform/plugins/private/cloud_integrations/cloud_data_migration @elastic
 x-pack/solutions/security/plugins/cloud_defend @elastic/kibana-cloud-security-posture
 x-pack/platform/plugins/private/cloud_integrations/cloud_experiments @elastic/kibana-core
 x-pack/platform/plugins/private/cloud_integrations/cloud_full_story @elastic/kibana-core
-x-pack/test/cloud_integration/plugins/saml_provider @elastic/kibana-core
+x-pack/platform/test/cloud_integration/plugins/saml_provider @elastic/kibana-core
 x-pack/platform/plugins/private/cloud_integrations/cloud_links @elastic/kibana-core
 x-pack/platform/plugins/shared/cloud @elastic/kibana-core
 x-pack/solutions/security/packages/kbn-cloud-security-posture/public @elastic/kibana-cloud-security-posture
@@ -1814,7 +1814,7 @@ x-pack/platform/plugins/shared/ml/server/models/data_recognizer/modules/security
 /x-pack/test/stack_functional_integration/apps/savedobjects_upgrade_testing @elastic/kibana-core
 /x-pack/test/functional/page_objects/status_page.ts @elastic/kibana-core
 /x-pack/test/functional/page_objects/share_saved_objects_to_space_page.ts @elastic/kibana-core
-/x-pack/test/functional/page_objects/banners_page.ts @elastic/kibana-core
+/x-pack/platform/test/functional/page_objects/banners_page.ts @elastic/kibana-core
 /x-pack/test/common/lib/test_data_loader.ts @elastic/kibana-core
 /x-pack/test/api_integration/services/usage_api.ts @elastic/kibana-core
 /x-pack/platform/test/api_integration/apis/kibana @elastic/kibana-core
@@ -1830,9 +1830,9 @@ x-pack/platform/plugins/shared/ml/server/models/data_recognizer/modules/security
 ^/src/platform/test/api_integration/fixtures/import_managed.ndjson @elastic/kibana-core
 ^/src/platform/test/functional/services/apps_menu.ts @elastic/kibana-core
 /x-pack/test/functional/apps/status_page @elastic/kibana-core
-/x-pack/test/cloud_integration @elastic/kibana-core
-/x-pack/test/cloud_integration/plugins/saml_provider @elastic/kibana-core
-^/src/platform/test/server_integration @elastic/kibana-core
+/x-pack/platform/test/cloud_integration @elastic/kibana-core
+/x-pack/platform/test/cloud_integration/plugins/saml_provider @elastic/kibana-core
+/src/platform/test/server_integration @elastic/kibana-core
 /x-pack/platform/test/functional_cors @elastic/kibana-core
 /x-pack/test/stack_functional_integration/apps/telemetry @elastic/kibana-core
 ^/src/platform/test/plugin_functional/plugins/core* @elastic/kibana-core
@@ -1898,7 +1898,7 @@ x-pack/platform/plugins/shared/ml/server/models/data_recognizer/modules/security
 /typings/ @elastic/kibana-core
 ^/src/platform/test/analytics @elastic/kibana-core
 /src/platform/packages/shared/kbn-test/src/jest/setup/mocks.kbn_i18n_react.js @elastic/kibana-core
-/x-pack/test/saved_objects_field_count/ @elastic/kibana-core
+/x-pack/platform/test/saved_objects_field_count/ @elastic/kibana-core
 /x-pack/test_serverless/**/test_suites/common/saved_objects_management/ @elastic/kibana-core
 /x-pack/test_serverless/api_integration/test_suites/common/core/ @elastic/kibana-core
 /x-pack/test_serverless/api_integration/test_suites/**/telemetry/ @elastic/kibana-core
@@ -2750,8 +2750,8 @@ x-pack/solutions/observability/plugins/observability_shared/public/components/pr
 ^/src/platform/test/examples/content_management/*.ts @elastic/appex-sharedux
 ^/src/platform/test/api_integration/apis/guided_onboarding @elastic/appex-sharedux
 /x-pack/solutions/search/test/api_integration/apis/guided_onboarding @elastic/appex-sharedux
-/x-pack/test/banners_functional @elastic/appex-sharedux
-/x-pack/test/custom_branding @elastic/appex-sharedux
+/x-pack/platform/test/banners_functional @elastic/appex-sharedux
+/x-pack/platform/test/custom_branding @elastic/appex-sharedux
 /x-pack/platform/test/api_integration/apis/content_management @elastic/appex-sharedux
 /x-pack/test/accessibility/apps/group3/tags.ts @elastic/appex-sharedux
 /x-pack/test/accessibility/apps/group3/snapshot_and_restore.ts @elastic/appex-sharedux
diff --git a/package.json b/package.json
index 8ac2e859d5cd5..73a064d508f77 100644
--- a/package.json
+++ b/package.json
@@ -232,7 +232,7 @@
     "@kbn/cloud-defend-plugin": "link:x-pack/solutions/security/plugins/cloud_defend",
     "@kbn/cloud-experiments-plugin": "link:x-pack/platform/plugins/private/cloud_integrations/cloud_experiments",
     "@kbn/cloud-full-story-plugin": "link:x-pack/platform/plugins/private/cloud_integrations/cloud_full_story",
-    "@kbn/cloud-integration-saml-provider-plugin": "link:x-pack/test/cloud_integration/plugins/saml_provider",
+    "@kbn/cloud-integration-saml-provider-plugin": "link:x-pack/platform/test/cloud_integration/plugins/saml_provider",
     "@kbn/cloud-links-plugin": "link:x-pack/platform/plugins/private/cloud_integrations/cloud_links",
     "@kbn/cloud-plugin": "link:x-pack/platform/plugins/shared/cloud",
     "@kbn/cloud-security-posture": "link:x-pack/solutions/security/packages/kbn-cloud-security-posture/public",
diff --git a/tsconfig.base.json b/tsconfig.base.json
index ae9948f31283b..94519d3cca3bb 100644
--- a/tsconfig.base.json
+++ b/tsconfig.base.json
@@ -188,8 +188,8 @@
       "@kbn/cloud-experiments-plugin/*": ["x-pack/platform/plugins/private/cloud_integrations/cloud_experiments/*"],
       "@kbn/cloud-full-story-plugin": ["x-pack/platform/plugins/private/cloud_integrations/cloud_full_story"],
       "@kbn/cloud-full-story-plugin/*": ["x-pack/platform/plugins/private/cloud_integrations/cloud_full_story/*"],
-      "@kbn/cloud-integration-saml-provider-plugin": ["x-pack/test/cloud_integration/plugins/saml_provider"],
-      "@kbn/cloud-integration-saml-provider-plugin/*": ["x-pack/test/cloud_integration/plugins/saml_provider/*"],
+      "@kbn/cloud-integration-saml-provider-plugin": ["x-pack/platform/test/cloud_integration/plugins/saml_provider"],
+      "@kbn/cloud-integration-saml-provider-plugin/*": ["x-pack/platform/test/cloud_integration/plugins/saml_provider/*"],
       "@kbn/cloud-links-plugin": ["x-pack/platform/plugins/private/cloud_integrations/cloud_links"],
       "@kbn/cloud-links-plugin/*": ["x-pack/platform/plugins/private/cloud_integrations/cloud_links/*"],
       "@kbn/cloud-plugin": ["x-pack/platform/plugins/shared/cloud"],
diff --git a/x-pack/test/banners_functional/config.ts b/x-pack/platform/test/banners_functional/config.ts
similarity index 96%
rename from x-pack/test/banners_functional/config.ts
rename to x-pack/platform/test/banners_functional/config.ts
index d79655173c110..02b10090329ce 100644
--- a/x-pack/test/banners_functional/config.ts
+++ b/x-pack/platform/test/banners_functional/config.ts
@@ -11,7 +11,7 @@ import { services, pageObjects } from './ftr_provider_context';
 
 export default async function ({ readConfigFile }: FtrConfigProviderContext) {
   const kibanaFunctionalConfig = await readConfigFile(
-    require.resolve('../functional/config.base.js')
+    require.resolve('../functional/config.base.ts')
   );
 
   return {
diff --git a/x-pack/test/banners_functional/ftr_provider_context.ts b/x-pack/platform/test/banners_functional/ftr_provider_context.ts
similarity index 100%
rename from x-pack/test/banners_functional/ftr_provider_context.ts
rename to x-pack/platform/test/banners_functional/ftr_provider_context.ts
diff --git a/x-pack/test/banners_functional/tests/global.ts b/x-pack/platform/test/banners_functional/tests/global.ts
similarity index 100%
rename from x-pack/test/banners_functional/tests/global.ts
rename to x-pack/platform/test/banners_functional/tests/global.ts
diff --git a/x-pack/test/banners_functional/tests/index.ts b/x-pack/platform/test/banners_functional/tests/index.ts
similarity index 100%
rename from x-pack/test/banners_functional/tests/index.ts
rename to x-pack/platform/test/banners_functional/tests/index.ts
diff --git a/x-pack/test/banners_functional/tests/spaces.ts b/x-pack/platform/test/banners_functional/tests/spaces.ts
similarity index 100%
rename from x-pack/test/banners_functional/tests/spaces.ts
rename to x-pack/platform/test/banners_functional/tests/spaces.ts
diff --git a/x-pack/test/cloud_integration/config.ts b/x-pack/platform/test/cloud_integration/config.ts
similarity index 100%
rename from x-pack/test/cloud_integration/config.ts
rename to x-pack/platform/test/cloud_integration/config.ts
diff --git a/x-pack/test/cloud_integration/ftr_provider_context.d.ts b/x-pack/platform/test/cloud_integration/ftr_provider_context.d.ts
similarity index 100%
rename from x-pack/test/cloud_integration/ftr_provider_context.d.ts
rename to x-pack/platform/test/cloud_integration/ftr_provider_context.d.ts
diff --git a/x-pack/test/cloud_integration/plugins/saml_provider/constants.ts b/x-pack/platform/test/cloud_integration/plugins/saml_provider/constants.ts
similarity index 100%
rename from x-pack/test/cloud_integration/plugins/saml_provider/constants.ts
rename to x-pack/platform/test/cloud_integration/plugins/saml_provider/constants.ts
diff --git a/x-pack/test/cloud_integration/plugins/saml_provider/kibana.jsonc b/x-pack/platform/test/cloud_integration/plugins/saml_provider/kibana.jsonc
similarity index 100%
rename from x-pack/test/cloud_integration/plugins/saml_provider/kibana.jsonc
rename to x-pack/platform/test/cloud_integration/plugins/saml_provider/kibana.jsonc
diff --git a/x-pack/test/cloud_integration/plugins/saml_provider/metadata.xml b/x-pack/platform/test/cloud_integration/plugins/saml_provider/metadata.xml
similarity index 100%
rename from x-pack/test/cloud_integration/plugins/saml_provider/metadata.xml
rename to x-pack/platform/test/cloud_integration/plugins/saml_provider/metadata.xml
diff --git a/x-pack/test/cloud_integration/plugins/saml_provider/server/index.ts b/x-pack/platform/test/cloud_integration/plugins/saml_provider/server/index.ts
similarity index 100%
rename from x-pack/test/cloud_integration/plugins/saml_provider/server/index.ts
rename to x-pack/platform/test/cloud_integration/plugins/saml_provider/server/index.ts
diff --git a/x-pack/test/cloud_integration/plugins/saml_provider/server/init_routes.ts b/x-pack/platform/test/cloud_integration/plugins/saml_provider/server/init_routes.ts
similarity index 100%
rename from x-pack/test/cloud_integration/plugins/saml_provider/server/init_routes.ts
rename to x-pack/platform/test/cloud_integration/plugins/saml_provider/server/init_routes.ts
diff --git a/x-pack/test/cloud_integration/plugins/saml_provider/server/saml_tools.ts b/x-pack/platform/test/cloud_integration/plugins/saml_provider/server/saml_tools.ts
similarity index 100%
rename from x-pack/test/cloud_integration/plugins/saml_provider/server/saml_tools.ts
rename to x-pack/platform/test/cloud_integration/plugins/saml_provider/server/saml_tools.ts
diff --git a/x-pack/test/cloud_integration/plugins/saml_provider/tsconfig.json b/x-pack/platform/test/cloud_integration/plugins/saml_provider/tsconfig.json
similarity index 80%
rename from x-pack/test/cloud_integration/plugins/saml_provider/tsconfig.json
rename to x-pack/platform/test/cloud_integration/plugins/saml_provider/tsconfig.json
index 8a9196e62823a..daa1dc45e878a 100644
--- a/x-pack/test/cloud_integration/plugins/saml_provider/tsconfig.json
+++ b/x-pack/platform/test/cloud_integration/plugins/saml_provider/tsconfig.json
@@ -1,5 +1,5 @@
 {
-  "extends": "../../../../../tsconfig.base.json",
+  "extends": "../../../../../../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "target/types"
   },
diff --git a/x-pack/test/cloud_integration/tests/fullstory.ts b/x-pack/platform/test/cloud_integration/tests/fullstory.ts
similarity index 100%
rename from x-pack/test/cloud_integration/tests/fullstory.ts
rename to x-pack/platform/test/cloud_integration/tests/fullstory.ts
diff --git a/x-pack/test/custom_branding/config.ts b/x-pack/platform/test/custom_branding/config.ts
similarity index 96%
rename from x-pack/test/custom_branding/config.ts
rename to x-pack/platform/test/custom_branding/config.ts
index 6450d5594f88c..81551a56abcac 100644
--- a/x-pack/test/custom_branding/config.ts
+++ b/x-pack/platform/test/custom_branding/config.ts
@@ -11,7 +11,7 @@ import { services, pageObjects } from './ftr_provider_context';
 
 export default async function ({ readConfigFile }: FtrConfigProviderContext) {
   const kibanaFunctionalConfig = await readConfigFile(
-    require.resolve('../functional/config.base.js')
+    require.resolve('../functional/config.base.ts')
   );
 
   return {
diff --git a/x-pack/test/custom_branding/ftr_provider_context.ts b/x-pack/platform/test/custom_branding/ftr_provider_context.ts
similarity index 100%
rename from x-pack/test/custom_branding/ftr_provider_context.ts
rename to x-pack/platform/test/custom_branding/ftr_provider_context.ts
diff --git a/x-pack/test/custom_branding/tests/acme_logo.png b/x-pack/platform/test/custom_branding/tests/acme_logo.png
similarity index 100%
rename from x-pack/test/custom_branding/tests/acme_logo.png
rename to x-pack/platform/test/custom_branding/tests/acme_logo.png
diff --git a/x-pack/test/custom_branding/tests/acme_text.png b/x-pack/platform/test/custom_branding/tests/acme_text.png
similarity index 100%
rename from x-pack/test/custom_branding/tests/acme_text.png
rename to x-pack/platform/test/custom_branding/tests/acme_text.png
diff --git a/x-pack/test/custom_branding/tests/index.ts b/x-pack/platform/test/custom_branding/tests/index.ts
similarity index 100%
rename from x-pack/test/custom_branding/tests/index.ts
rename to x-pack/platform/test/custom_branding/tests/index.ts
diff --git a/x-pack/test/custom_branding/tests/settings.ts b/x-pack/platform/test/custom_branding/tests/settings.ts
similarity index 100%
rename from x-pack/test/custom_branding/tests/settings.ts
rename to x-pack/platform/test/custom_branding/tests/settings.ts
diff --git a/x-pack/test/functional/page_objects/banners_page.ts b/x-pack/platform/test/functional/page_objects/banners_page.ts
similarity index 100%
rename from x-pack/test/functional/page_objects/banners_page.ts
rename to x-pack/platform/test/functional/page_objects/banners_page.ts
diff --git a/x-pack/platform/test/functional/page_objects/index.ts b/x-pack/platform/test/functional/page_objects/index.ts
index 78a6e871e59ee..108c919e35cc8 100644
--- a/x-pack/platform/test/functional/page_objects/index.ts
+++ b/x-pack/platform/test/functional/page_objects/index.ts
@@ -23,6 +23,7 @@ import { UserProfilePageProvider } from './user_profile_page';
 import { SearchSessionsPageProvider } from './search_sessions_management_page';
 import { GraphPageObject } from './graph_page';
 import { MaintenanceWindowsPageProvider } from './maintenance_windows_page';
+import { BannersPageObject } from './banners_page';
 
 // just like services, PageObjects are defined as a map of
 // names to Providers. Merge in Kibana's or pick specific ones
@@ -45,4 +46,5 @@ export const pageObjects = {
   upgradeAssistant: UpgradeAssistantFlyoutObject,
   userProfiles: UserProfilePageProvider,
   maintenanceWindows: MaintenanceWindowsPageProvider,
+  banners: BannersPageObject,
 };
diff --git a/x-pack/test/saved_objects_field_count/config.ts b/x-pack/platform/test/saved_objects_field_count/config.ts
similarity index 100%
rename from x-pack/test/saved_objects_field_count/config.ts
rename to x-pack/platform/test/saved_objects_field_count/config.ts
diff --git a/x-pack/test/saved_objects_field_count/test.ts b/x-pack/platform/test/saved_objects_field_count/test.ts
similarity index 100%
rename from x-pack/test/saved_objects_field_count/test.ts
rename to x-pack/platform/test/saved_objects_field_count/test.ts
diff --git a/x-pack/platform/test/tsconfig.json b/x-pack/platform/test/tsconfig.json
index 0d10532db2ca7..089ec3d794c6c 100644
--- a/x-pack/platform/test/tsconfig.json
+++ b/x-pack/platform/test/tsconfig.json
@@ -133,5 +133,7 @@
     "@kbn/embeddable-alerts-table-plugin",
     "@kbn/apm-synthtrace-client",
     "@kbn/apm-synthtrace",
+    "@kbn/cloud-integration-saml-provider-plugin",
+    "@kbn/ci-stats-reporter",
   ]
 }
diff --git a/x-pack/test/functional/page_objects/index.ts b/x-pack/test/functional/page_objects/index.ts
index 7059444698d48..f713ef992d59b 100644
--- a/x-pack/test/functional/page_objects/index.ts
+++ b/x-pack/test/functional/page_objects/index.ts
@@ -23,9 +23,9 @@ import { UserProfilePageProvider } from '@kbn/test-suites-xpack-platform/functio
 import { SearchSessionsPageProvider } from '@kbn/test-suites-xpack-platform/functional/page_objects/search_sessions_management_page';
 import { GraphPageObject } from '@kbn/test-suites-xpack-platform/functional/page_objects/graph_page';
 import { MaintenanceWindowsPageProvider } from '@kbn/test-suites-xpack-platform/functional/page_objects/maintenance_windows_page';
+import { BannersPageObject } from '@kbn/test-suites-xpack-platform/functional/page_objects/banners_page';
 import { ApiKeysPageProvider } from './api_keys_page';
 import { AssetDetailsProvider } from './asset_details';
-import { BannersPageObject } from './banners_page';
 import { CrossClusterReplicationPageProvider } from './cross_cluster_replication_page';
 import { DetectionsPageObject } from '../../security_solution_ftr/page_objects/detections';
 import { EmbeddedConsoleProvider } from './embedded_console';
diff --git a/x-pack/test/tsconfig.json b/x-pack/test/tsconfig.json
index 7b9d3f34d60cb..b0980a8c1974a 100644
--- a/x-pack/test/tsconfig.json
+++ b/x-pack/test/tsconfig.json
@@ -58,7 +58,6 @@
     "@kbn/dev-utils",
     "@kbn/ftr-common-functional-services",
     "@kbn/expect",
-    "@kbn/ci-stats-reporter",
     "@kbn/std",
     "@kbn/apm-synthtrace",
     "@kbn/core-saved-objects-base-server-internal",
@@ -83,7 +82,6 @@
     "@kbn/core-saved-objects-server",
     "@kbn/apm-synthtrace-client",
     "@kbn/stdio-dev-helpers",
-    "@kbn/cloud-integration-saml-provider-plugin",
     "@kbn/security-api-integration-helpers",
     "@kbn/alerts-as-data-utils",
     "@kbn/discover-plugin",
diff --git a/yarn.lock b/yarn.lock
index aa08b2c3fdea0..18365d588b040 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4140,7 +4140,7 @@
   version "0.0.0"
   uid ""
 
-"@kbn/cloud-integration-saml-provider-plugin@link:x-pack/test/cloud_integration/plugins/saml_provider":
+"@kbn/cloud-integration-saml-provider-plugin@link:x-pack/platform/test/cloud_integration/plugins/saml_provider":
   version "0.0.0"
   uid ""