[Search] Unskip search examples Serverless tests

[davismcphee]

Summary

Resolves #165735.
Resolves #165730.
Resolves #165763.

Flaky test runs:

• x100 (.only): https://buildkite.com/elastic/kibana-flaky-test-suite-runner/builds/3116
• x100: https://buildkite.com/elastic/kibana-flaky-test-suite-runner/builds/3142

Checklist

• Any text added follows EUI's writing guidelines, uses sentence case text and includes i18n support
• Documentation was added for features that require explanation or tutorials
• Unit or functional tests were updated or added to match the most common scenarios
• Any UI touched in this PR is usable by keyboard only (learn more about keyboard accessibility)
• Any UI touched in this PR does not create any new axe failures (run axe in browser: FF, Chrome)
• If a plugin configuration key changed, check if it needs to be allowlisted in the cloud and added to the docker list
• This renders correctly on smaller devices using a responsive layout. (You can test this in your browser)
• This was checked for cross-browser compatibility

For maintainers

• This was checked for breaking API changes and was labeled appropriately

[kibana-ci]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: fd59fdc

Failed CI Steps

• FTR Configs #46

Test Failures

• [job] [logs] FTR Configs #46 / serverless observability UI Cases persistable attachments lens visualization "before all" hook for "adds lens visualization to a new case"

Metrics [docs]

✅ unchanged

History

• 💔 Build #158954 failed 0f52254

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream

cc @davismcphee