[ObsUX-Infra&Services] Migrate from enzyme to RTL

[rmyz]

Summary

Closes https://github.com/elastic/kibana/issues/222967

This PR replaces enzyme with React Testing Library for files owned by @elastic/obs-ux-infra_services-team.

How to test

Run the following commands:

node scripts/jest --config=x-pack/solutions/observability/plugins/apm/jest.config.js 
node scripts/jest --config=x-pack/solutions/observability/plugins/infra/jest.config.js
node scripts/jest --config=x-pack/solutions/observability/plugins/observability/jest.config.js
node scripts/jest --config=x-pack/platform/packages/shared/kbn-event-stacktrace/jest.config.js

[rmyz]

/ci

[rmyz]

/ci

[rmyz]

/ci

[elasticmachine]

Pinging @elastic/obs-ux-management-team (Team:obs-ux-management)

[kibanamachine]

Starting backport for target branches: 8.19

https://github.com/elastic/kibana/actions/runs/15710548358

[elasticmachine]

:green_heart: Build Succeeded

• Buildkite Build
• Commit: d0f8646627f81a1e8bfee1e6e9f42956d996c496

Metrics [docs]

Async chunks

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

id	before	after	diff
apm	2.6MB	2.6MB	+270.0B
unifiedDocViewer	223.0KB	223.1KB	+158.0B
total			+428.0B

Count of Enzyme imports

Enzyme is no longer supported, and we should switch to @testing-library/react instead.

id	before	after	diff
@kbn/event-stacktrace	4	0	-4
apm	21	0	-21
infra	5	0	-5
observability	4	3	-1
total			-31

Unknown metric groups

ESLint disabled line counts

id	before	after	diff
@kbn/event-stacktrace	2	1	-1
apm	70	68	-2
total			-3

Total ESLint disabled count

id	before	after	diff
@kbn/event-stacktrace	2	1	-1
apm	83	81	-2
total			-3

History

• :broken_heart: Build #309343 failed be2ce60634e03bc01d8fd4cf5a6cd18fba0866ac
• :green_heart: Build #309208 succeeded 3b4cec23d17a9e5205c5a9cda6d31c22222254b5
• :green_heart: Build #308811 succeeded 47615ce9ce0fd235479f30d3c1df634348596de2
• :broken_heart: Build #308773 failed 2019930e1ea10ddaf145cf479564bab14c2f8e5d

cc @rmyz

[kibanamachine]

💔 All backports failed

Status	Branch	Result
❌	8.19	Backport failed because of merge conflicts You might need to backport the following PRs to 8.19: - Upgrade EUI to v103.0.0 (#223414)

Manual backport

To create the backport manually run:

node scripts/backport --pr 223530

Questions ?

Please refer to the Backport tool documentation

[rmyz]

💚 All backports created successfully

Status	Branch	Result
✅	8.19

Note: Successful backport PRs will be merged automatically after passing CI.

Questions ?

Please refer to the Backport tool documentation