[Discover] Check the histogram fix

[jughosta]

• To validate [Discover] Address the flaky histogram code #201809 (review)

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Check the PR satisfies following conditions.

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• 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
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• Flaky Test Runner was used on any tests changed
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[elasticmachine]

⏳ Build in-progress, with failures

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• Commit: 55ca22f

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cc @jughosta

[kibanamachine]

Flaky Test Runner Stats

🎉 All tests passed! - kibana-flaky-test-suite-runner#7520

[✅] test/functional/apps/discover/group3/config.ts: 100/100 tests passed.

see run history