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[9.2] [EDR Workflows] Test improvement: get rid of duplicate test errors in afterAll (#251046)#251281

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kibanamachine merged 1 commit intoelastic:9.2from
kibanamachine:backport/9.2/pr-251046
Feb 2, 2026
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[9.2] [EDR Workflows] Test improvement: get rid of duplicate test errors in afterAll (#251046)#251281
kibanamachine merged 1 commit intoelastic:9.2from
kibanamachine:backport/9.2/pr-251046

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Backport

This will backport the following commits from main to 9.2:

Questions ?

Please refer to the Backport tool documentation

… `afterAll` (elastic#251046)

## Summary

This PR makes `unloadEndpointData()` resilient towards empty,
`undefined` data. The data can be `undefined`, in case the function
```
      indexedData = await endpointTestResources.loadEndpointData();
```
fails in the `beforeEach` hook because of any reason. This already
generates test fail issues (like
[this](elastic#249124 (comment))),
but then, the test also fails in the `afterAll` with
```
   │         "after all" hook in "For each artifact list under management":
   │
   │      TypeError: Cannot read properties of undefined (reading 'hosts')
```
generating another fail issue, or contributing to an existing issue with
a new build error, like in
[this](elastic#240968).

This does not help us at all. : ) It just bloats the number of our
failed test issues or fail count.

### Related issues

Here are the failed test issues, that seem to be safe to close with this
PR. They have the same error message, and are either old, or all the
error logs i tested are about the same message:
closes elastic#159452
closes elastic#175848
closes elastic#173682
closes elastic#203901
closes elastic#233558
closes elastic#233554
closes elastic#246400
closes elastic#249131

### 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](https://elastic.github.io/eui/#/guidelines/writing), uses
sentence case text and includes [i18n
support](https://github.com/elastic/kibana/blob/main/src/platform/packages/shared/kbn-i18n/README.md)
- [ ]
[Documentation](https://www.elastic.co/guide/en/kibana/master/development-documentation.html)
was added for features that require explanation or tutorials
- [ ] [Unit or functional
tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)
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](https://github.com/elastic/kibana/blob/main/src/dev/build/tasks/os_packages/docker_generator/resources/base/bin/kibana-docker)
- [ ] 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](https://ci-stats.kibana.dev/trigger_flaky_test_runner/1) 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](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process)
- [ ] Review the [backport
guidelines](https://docs.google.com/document/d/1VyN5k91e5OVumlc0Gb9RPa3h1ewuPE705nRtioPiTvY/edit?usp=sharing)
and apply applicable `backport:*` labels.

### 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](https://github.com/elastic/kibana/blob/main/RISK_MATRIX.mdx)
- [ ] ...

(cherry picked from commit 5dd2354)
@kibanamachine kibanamachine merged commit 1122cd1 into elastic:9.2 Feb 2, 2026
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💚 Build Succeeded

Metrics [docs]

✅ unchanged

cc @gergoabraham

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3 participants