[Event annotations] add types to integration tests

[drewdaemon]

Summary

Just improving the integration tests so that if a type changes, we'll know to update them.

[elasticmachine]

Pinging @elastic/kibana-visualizations @elastic/kibana-visualizations-external (Team:Visualizations)

[kibana-ci]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: 5c4a5c9

Failed CI Steps

• FTR Configs #45

Test Failures

• [job] [logs] FTR Configs #45 / dashboard app - group 1 dashboard embeddable data grid "before all" hook for "should expand the detail row when the toggle arrow is clicked"

Metrics [docs]

Public APIs missing comments

Total count of every public API that lacks a comment. Target amount is 0. Run node scripts/build_api_docs --plugin [yourplugin] --stats comments for more detailed information.

id	before	after	diff
eventAnnotation	191	195	+4

Async chunks

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

id	before	after	diff
eventAnnotation	176.7KB	176.7KB	-1.0B

Public APIs missing exports

Total count of every type that is part of your API that should be exported but is not. This will cause broken links in the API documentation system. Target amount is 0. Run node scripts/build_api_docs --plugin [yourplugin] --stats exports for more detailed information.

id	before	after	diff
eventAnnotation	2	5	+3

Page load bundle

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

id	before	after	diff
eventAnnotation	21.4KB	21.4KB	+52.0B

Unknown metric groups

API count

id	before	after	diff
eventAnnotation	191	195	+4

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

[dej611]

Code review only 👍