[Discover] Fix flaky test #217012

[davismcphee]

Summary

Flaky test runner x100: https://buildkite.com/elastic/kibana-flaky-test-suite-runner/builds/8175.

Resolves #217012.

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
• If a plugin configuration key changed, check if it needs to be allowlisted in the cloud and added to the docker list
• This was checked for breaking HTTP API changes, and any breaking changes have been approved by the breaking-change committee. The release_note:breaking label should be applied in these situations.
• Flaky Test Runner was used on any tests changed
• The PR description includes the appropriate Release Notes section, and the correct release_note:* label is applied per the guidelines

[kibanamachine]

Flaky Test Runner Stats

🎉 All tests passed! - kibana-flaky-test-suite-runner#8175

[✅] src/platform/test/functional/apps/discover/group1/config.ts: 100/100 tests passed.

see run history

[elasticmachine]

Pinging @elastic/kibana-data-discovery (Team:DataDiscovery)

[jughosta]

Thanks!

[elasticmachine]

💚 Build Succeeded

• Buildkite Build
• Commit: df24285

Metrics [docs]

✅ unchanged

cc @davismcphee