[ML] Data Frame Analytics functional test: fix flakiness with increase percent tolerance as colors can vary

[alvarezmelissa87]

Summary

Fixes #147020

flaky test runner https://buildkite.com/elastic/kibana-flaky-test-suite-runner/builds/4332

Checklist

Delete any items that are not applicable to this PR.

• 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
• Flaky Test Runner was used on any tests changed
• 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

[elasticmachine]

Pinging @elastic/ml-ui (:ml)

[alvarezmelissa87]

@elasticmachine merge upstream

[kibana-ci]

💔 Build Failed

• Buildkite Build
• Commit: cfe7c04
• Interpreting CI Failures

Failed CI Steps

• Jest Tests #9
• FTR Configs #8
• FTR Configs #8
• FTR Configs #44

Test Failures

• [job] [logs] FTR Configs #44 / discover/group1 discover histogram should recover from broken query search when clearing the query bar
• [job] [logs] FTR Configs #8 / machine learning - data frame analytics classification saved search creation with lucene query edits the analytics job and displays it correctly in the job list
• [job] [logs] FTR Configs #8 / machine learning - data frame analytics classification saved search creation with lucene query edits the analytics job and displays it correctly in the job list

Metrics [docs]

✅ unchanged

History

• 💔 Build #182805 failed ee1e89b

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

cc @alvarezmelissa87