[DON NOT MERGE] EUI package testing

[mgadewoll]

Summary

Important

This is a testing PR only. DO NOT MERGE.

Checklist

Check the PR satisfies following conditions.

Reviewers should verify this PR satisfies this list as well.

• 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

Identify risks

Does this PR introduce any risks? For example, consider risks like hard to test bugs, performance regression, potential of data loss.

Describe the risk, its severity, and mitigation for each identified risk. Invite stakeholders and evaluate how to proceed before merging.

• See some risk examples
• ...

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Metrics [docs]

Module Count

Fewer modules leads to a faster build time

id	before	after	diff
controls	460	461	+1
dashboard	716	717	+1
maps	1330	1331	+1
ml	2435	2432	-3
visTypeVega	314	311	-3
total			-3

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
controls	441.8KB	443.3KB	+1.5KB
dashboard	546.9KB	548.4KB	+1.5KB
maps	3.0MB	3.0MB	+1.5KB
ml	5.5MB	5.5MB	-3.1KB
visTypeVega	1.9MB	1.8MB	-3.0KB
total			-1.6KB

Page load bundle

Size of the bundles that are downloaded on every page load. Target size is below 100kb

id	before	after	diff
kbnUiSharedDeps-npmDll	6.0MB	6.0MB	+3.7KB

History

• 💛 Build #275817 was flaky dff00ce4872b3ed7653e8ec6a92546a9bafd33a9
• 💔 Build #275434 failed fd905f943118947bfded75b31362ae98ace9bfca
• 💔 Build #275416 failed a9072847eedef8aac73581c04f1d951993a51da6
• 💔 Build #275409 failed 9b3efc6f1a767f3c307f8544ed328cf928ee302c