[8.18] SKA: Relocate core-test-helpers (#212029) (#212095)

# Backport

This will backport the following commits from `main` to `8.18`:
- [SKA: Relocate core-test-helpers
(#212029)](https://github.com/elastic/kibana/pull/212029)

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

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

<!--BACKPORT [{"author":{"name":"Gerard
Soldevila","email":"gerard.soldevila@elastic.co"},"sourceCommit":{"committedDate":"2025-02-21T13:38:38Z","message":"SKA:
Relocate core-test-helpers (#212029)\n\n## Summary\n\nThese where the
only packages under `src/dev/packages`.\nThe goal long term is to
refactor the code under `src/dev` and to\nmigrate it to one (or
multiple) packages.\nThus, we're moving them to
`src/core/test-helpers/`, which already\nexists and contains a bunch of
test-helpers.\n\n#### 2 packages(s) are going to be relocated:\n\n| Id |
Target folder |\n| -- | ------------- |\n|
`@kbn/core-test-helpers-kbn-server`
|\n`src/core/test-helpers/kbn-server` |\n|
`@kbn/core-test-helpers-model-versions`
|\n`src/core/test-helpers/model-versions` |\n\n\n<details
>\n<summary>Updated
references</summary>\n\n```\n./.github/codeql/codeql-config.yml\n./package.json\n./packages/kbn-ts-projects/config-paths.json\n./src/core/system/tsconfig.type_check.json\n./src/core/test-helpers/kbn-server/jest.config.js\n./src/core/test-helpers/model-versions/jest.config.js\n./src/dev/tsconfig.type_check.json\n./src/platform/packages/private/kbn-repo-packages/package-map.json\n./src/plugins/kibana_usage_collection/tsconfig.type_check.json\n./src/plugins/usage_collection/tsconfig.type_check.json\n./tsconfig.base.json\n./tsconfig.base.type_check.json\n./tsconfig.refs.json\n./x-pack/platform/plugins/shared/fleet/tsconfig.type_check.json\n./x-pack/platform/plugins/shared/spaces/tsconfig.type_check.json\n./x-pack/plugins/actions/tsconfig.type_check.json\n./x-pack/plugins/alerting/tsconfig.type_check.json\n./x-pack/plugins/task_manager/tsconfig.type_check.json\n./yarn.lock\n.github/CODEOWNERS\n```\n\n</details><details
>\n<summary>Updated relative
paths</summary>\n\n```\nsrc/core/test-helpers/kbn-server/jest.config.js:12\nsrc/core/test-helpers/kbn-server/tsconfig.json:2\nsrc/core/test-helpers/model-versions/jest.config.js:12\nsrc/core/test-helpers/model-versions/tsconfig.json:2\n```\n\n</details>","sha":"cff1747a76162e81e1baffb42840915ab7f57ed9","branchLabelMapping":{"^v9.1.0$":"main","^v8.19.0$":"8.x","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["Team:Core","release_note:skip","v9.0.0","backport:version","v8.18.0","v9.1.0","v8.19.0"],"title":"SKA:
Relocate
core-test-helpers","number":212029,"url":"https://github.com/elastic/kibana/pull/212029","mergeCommit":{"message":"SKA:
Relocate core-test-helpers (#212029)\n\n## Summary\n\nThese where the
only packages under `src/dev/packages`.\nThe goal long term is to
refactor the code under `src/dev` and to\nmigrate it to one (or
multiple) packages.\nThus, we're moving them to
`src/core/test-helpers/`, which already\nexists and contains a bunch of
test-helpers.\n\n#### 2 packages(s) are going to be relocated:\n\n| Id |
Target folder |\n| -- | ------------- |\n|
`@kbn/core-test-helpers-kbn-server`
|\n`src/core/test-helpers/kbn-server` |\n|
`@kbn/core-test-helpers-model-versions`
|\n`src/core/test-helpers/model-versions` |\n\n\n<details
>\n<summary>Updated
references</summary>\n\n```\n./.github/codeql/codeql-config.yml\n./package.json\n./packages/kbn-ts-projects/config-paths.json\n./src/core/system/tsconfig.type_check.json\n./src/core/test-helpers/kbn-server/jest.config.js\n./src/core/test-helpers/model-versions/jest.config.js\n./src/dev/tsconfig.type_check.json\n./src/platform/packages/private/kbn-repo-packages/package-map.json\n./src/plugins/kibana_usage_collection/tsconfig.type_check.json\n./src/plugins/usage_collection/tsconfig.type_check.json\n./tsconfig.base.json\n./tsconfig.base.type_check.json\n./tsconfig.refs.json\n./x-pack/platform/plugins/shared/fleet/tsconfig.type_check.json\n./x-pack/platform/plugins/shared/spaces/tsconfig.type_check.json\n./x-pack/plugins/actions/tsconfig.type_check.json\n./x-pack/plugins/alerting/tsconfig.type_check.json\n./x-pack/plugins/task_manager/tsconfig.type_check.json\n./yarn.lock\n.github/CODEOWNERS\n```\n\n</details><details
>\n<summary>Updated relative
paths</summary>\n\n```\nsrc/core/test-helpers/kbn-server/jest.config.js:12\nsrc/core/test-helpers/kbn-server/tsconfig.json:2\nsrc/core/test-helpers/model-versions/jest.config.js:12\nsrc/core/test-helpers/model-versions/tsconfig.json:2\n```\n\n</details>","sha":"cff1747a76162e81e1baffb42840915ab7f57ed9"}},"sourceBranch":"main","suggestedTargetBranches":["8.18","8.x"],"targetPullRequestStates":[{"branch":"9.0","label":"v9.0.0","branchLabelMappingKey":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"url":"https://github.com/elastic/kibana/pull/212080","number":212080,"state":"OPEN"},{"branch":"8.18","label":"v8.18.0","branchLabelMappingKey":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"},{"branch":"main","label":"v9.1.0","branchLabelMappingKey":"^v9.1.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/212029","number":212029,"mergeCommit":{"message":"SKA:
Relocate core-test-helpers (#212029)\n\n## Summary\n\nThese where the
only packages under `src/dev/packages`.\nThe goal long term is to
refactor the code under `src/dev` and to\nmigrate it to one (or
multiple) packages.\nThus, we're moving them to
`src/core/test-helpers/`, which already\nexists and contains a bunch of
test-helpers.\n\n#### 2 packages(s) are going to be relocated:\n\n| Id |
Target folder |\n| -- | ------------- |\n|
`@kbn/core-test-helpers-kbn-server`
|\n`src/core/test-helpers/kbn-server` |\n|
`@kbn/core-test-helpers-model-versions`
|\n`src/core/test-helpers/model-versions` |\n\n\n<details
>\n<summary>Updated
references</summary>\n\n```\n./.github/codeql/codeql-config.yml\n./package.json\n./packages/kbn-ts-projects/config-paths.json\n./src/core/system/tsconfig.type_check.json\n./src/core/test-helpers/kbn-server/jest.config.js\n./src/core/test-helpers/model-versions/jest.config.js\n./src/dev/tsconfig.type_check.json\n./src/platform/packages/private/kbn-repo-packages/package-map.json\n./src/plugins/kibana_usage_collection/tsconfig.type_check.json\n./src/plugins/usage_collection/tsconfig.type_check.json\n./tsconfig.base.json\n./tsconfig.base.type_check.json\n./tsconfig.refs.json\n./x-pack/platform/plugins/shared/fleet/tsconfig.type_check.json\n./x-pack/platform/plugins/shared/spaces/tsconfig.type_check.json\n./x-pack/plugins/actions/tsconfig.type_check.json\n./x-pack/plugins/alerting/tsconfig.type_check.json\n./x-pack/plugins/task_manager/tsconfig.type_check.json\n./yarn.lock\n.github/CODEOWNERS\n```\n\n</details><details
>\n<summary>Updated relative
paths</summary>\n\n```\nsrc/core/test-helpers/kbn-server/jest.config.js:12\nsrc/core/test-helpers/kbn-server/tsconfig.json:2\nsrc/core/test-helpers/model-versions/jest.config.js:12\nsrc/core/test-helpers/model-versions/tsconfig.json:2\n```\n\n</details>","sha":"cff1747a76162e81e1baffb42840915ab7f57ed9"}},{"branch":"8.x","label":"v8.19.0","branchLabelMappingKey":"^v8.19.0$","isSourceBranch":false,"state":"NOT_CREATED"}]}]
BACKPORT-->

.github/CODEOWNERS

@@ -318,8 +318,8 @@ src/core/packages/status/server-internal @elastic/kibana-core
 src/core/packages/status/server-mocks @elastic/kibana-core
 src/core/packages/test-helpers/deprecations-getters @elastic/kibana-core
 src/core/packages/test-helpers/http-setup-browser @elastic/kibana-core
-src/dev/packages/core-test-helpers-kbn-server @elastic/kibana-core
-src/dev/packages/core-test-helpers-model-versions @elastic/kibana-core
+src/core/test-helpers/kbn-server @elastic/kibana-core
+src/core/test-helpers/model-versions @elastic/kibana-core
 src/core/packages/test-helpers/so-type-serializer @elastic/kibana-core
 src/core/packages/test-helpers/test-utils @elastic/kibana-core
 src/core/packages/theme/browser @elastic/kibana-core

.github/codeql/codeql-config.yml

@@ -30,7 +30,7 @@ paths-ignore:
   - legacy_rfcs
   - oas_docs
   - packages/*/scripts
-  - src/dev/packages/core-test-helpers-kbn-server
+  - src/core/test-helpers/kbn-server
   - packages/kbn-ambient-*-types
   - packages/kbn-apm-synthtrace
   - packages/kbn-axe-config

package.json

@@ -1421,8 +1421,8 @@
     "@kbn/core-saved-objects-migration-server-mocks": "link:src/core/packages/saved-objects/migration-server-mocks",
     "@kbn/core-saved-objects-server-mocks": "link:src/core/packages/saved-objects/server-mocks",
     "@kbn/core-status-server-mocks": "link:src/core/packages/status/server-mocks",
-    "@kbn/core-test-helpers-kbn-server": "link:src/dev/packages/core-test-helpers-kbn-server",
-    "@kbn/core-test-helpers-model-versions": "link:src/dev/packages/core-test-helpers-model-versions",
+    "@kbn/core-test-helpers-kbn-server": "link:src/core/test-helpers/kbn-server",
+    "@kbn/core-test-helpers-model-versions": "link:src/core/test-helpers/model-versions",
     "@kbn/core-theme-browser-mocks": "link:src/core/packages/theme/browser-mocks",
     "@kbn/core-ui-settings-browser-mocks": "link:src/core/packages/ui-settings/browser-mocks",
     "@kbn/core-ui-settings-server-mocks": "link:src/core/packages/ui-settings/server-mocks",

src/core/test-helpers/kbn-server/jest.config.js

@@ -10,5 +10,5 @@
 module.exports = {
   preset: '@kbn/test/jest_node',
   rootDir: '../../../..',
-  roots: ['<rootDir>/src/dev/packages/core-test-helpers-kbn-server'],
+  roots: ['<rootDir>/src/core/test-helpers/kbn-server'],
 };

src/core/test-helpers/model-versions/jest.config.js

@@ -10,5 +10,5 @@
 module.exports = {
   preset: '@kbn/test/jest_node',
   rootDir: '../../../..',
-  roots: ['<rootDir>/src/dev/packages/core-test-helpers-model-versions'],
+  roots: ['<rootDir>/src/core/test-helpers/model-versions'],
 };

tsconfig.base.json

@@ -630,10 +630,10 @@
       "@kbn/core-test-helpers-deprecations-getters/*": ["src/core/packages/test-helpers/deprecations-getters/*"],
       "@kbn/core-test-helpers-http-setup-browser": ["src/core/packages/test-helpers/http-setup-browser"],
       "@kbn/core-test-helpers-http-setup-browser/*": ["src/core/packages/test-helpers/http-setup-browser/*"],
-      "@kbn/core-test-helpers-kbn-server": ["src/dev/packages/core-test-helpers-kbn-server"],
-      "@kbn/core-test-helpers-kbn-server/*": ["src/dev/packages/core-test-helpers-kbn-server/*"],
-      "@kbn/core-test-helpers-model-versions": ["src/dev/packages/core-test-helpers-model-versions"],
-      "@kbn/core-test-helpers-model-versions/*": ["src/dev/packages/core-test-helpers-model-versions/*"],
+      "@kbn/core-test-helpers-kbn-server": ["src/core/test-helpers/kbn-server"],
+      "@kbn/core-test-helpers-kbn-server/*": ["src/core/test-helpers/kbn-server/*"],
+      "@kbn/core-test-helpers-model-versions": ["src/core/test-helpers/model-versions"],
+      "@kbn/core-test-helpers-model-versions/*": ["src/core/test-helpers/model-versions/*"],
       "@kbn/core-test-helpers-so-type-serializer": ["src/core/packages/test-helpers/so-type-serializer"],
       "@kbn/core-test-helpers-so-type-serializer/*": ["src/core/packages/test-helpers/so-type-serializer/*"],
       "@kbn/core-test-helpers-test-utils": ["src/core/packages/test-helpers/test-utils"],

yarn.lock

@@ -5121,11 +5121,11 @@
   version "0.0.0"
   uid ""
 
-"@kbn/core-test-helpers-kbn-server@link:src/dev/packages/core-test-helpers-kbn-server":
+"@kbn/core-test-helpers-kbn-server@link:src/core/test-helpers/kbn-server":
   version "0.0.0"
   uid ""
 
-"@kbn/core-test-helpers-model-versions@link:src/dev/packages/core-test-helpers-model-versions":
+"@kbn/core-test-helpers-model-versions@link:src/core/test-helpers/model-versions":
   version "0.0.0"
   uid ""