test: add new wrapper for partial (#20618)

lib/modules/datasource/datasource.spec.ts

lib/modules/manager/gradle/extract.spec.ts

lib/modules/manager/gradle/parser/common.spec.ts

lib/modules/manager/npm/post-update/lerna.spec.ts

lib/modules/manager/npm/post-update/pnpm.spec.ts

lib/modules/platform/gitea/index.spec.ts

lib/modules/versioning/python/index.spec.ts

lib/workers/repository/changelog/index.spec.ts

...workers/repository/config-migration/branch/create.spec.ts

...workers/repository/config-migration/branch/rebase.spec.ts

lib/workers/repository/config-migration/index.spec.ts

lib/workers/repository/config-migration/pr/index.spec.ts

lib/workers/repository/init/vulnerability.spec.ts

lib/workers/repository/onboarding/pr/index.spec.ts

lib/workers/repository/process/write.spec.ts

lib/workers/repository/update/branch/index.spec.ts

lib/workers/repository/update/pr/automerge.spec.ts

...kers/repository/update/pr/changelog/release-notes.spec.ts

test/util.ts