[8.x] [CI] skip flaky integration test (elastic#204645) (elastic#204652)

# Backport

This will backport the following commits from `main` to `8.x`:
- [[CI] skip flaky integration test
(elastic#204645)](elastic#204645)

<!--- Backport version: 9.4.3 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

<!--BACKPORT [{"author":{"name":"Alex
Szabo","email":"[email protected]"},"sourceCommit":{"committedDate":"2024-12-17T20:02:56Z","message":"[CI]
skip flaky integration test (elastic#204645)\n\n## Summary\nSkips suite
\"reindex & waitForReindexTask\"\n- Errors are reported
here:\nhttps://github.com/elastic/issues/167273\n- Original
issue, I believe:\nhttps://github.com/elastic/issues/166190\n- PR
that recently unskipped the
test:\nhttps://github.com/elastic/pull/204561","sha":"e529a899bcfbb28e2d490642fc4d29ee522debf8","branchLabelMapping":{"^v9.0.0$":"main","^v8.18.0$":"8.x","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:skip","v9.0.0","skip-ci","backport:version","v8.18.0"],"title":"[CI]
skip flaky integration
test","number":204645,"url":"https://github.com/elastic/kibana/pull/204645","mergeCommit":{"message":"[CI]
skip flaky integration test (elastic#204645)\n\n## Summary\nSkips suite
\"reindex & waitForReindexTask\"\n- Errors are reported
here:\nhttps://github.com/elastic/issues/167273\n- Original
issue, I believe:\nhttps://github.com/elastic/issues/166190\n- PR
that recently unskipped the
test:\nhttps://github.com/elastic/pull/204561","sha":"e529a899bcfbb28e2d490642fc4d29ee522debf8"}},"sourceBranch":"main","suggestedTargetBranches":["8.x"],"targetPullRequestStates":[{"branch":"main","label":"v9.0.0","branchLabelMappingKey":"^v9.0.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/204645","number":204645,"mergeCommit":{"message":"[CI]
skip flaky integration test (elastic#204645)\n\n## Summary\nSkips suite
\"reindex & waitForReindexTask\"\n- Errors are reported
here:\nhttps://github.com/elastic/issues/167273\n- Original
issue, I believe:\nhttps://github.com/elastic/issues/166190\n- PR
that recently unskipped the
test:\nhttps://github.com/elastic/pull/204561","sha":"e529a899bcfbb28e2d490642fc4d29ee522debf8"}},{"branch":"8.x","label":"v8.18.0","branchLabelMappingKey":"^v8.18.0$","isSourceBranch":false,"state":"NOT_CREATED"}]}]
BACKPORT-->

Co-authored-by: Alex Szabo <[email protected]>

src/core/server/integration_tests/saved_objects/migrations/group3/actions/actions_test_suite.ts

@@ -772,7 +772,9 @@ export const runActionTestSuite = ({
 
   // Reindex doesn't return any errors on its own, so we have to test
   // together with waitForReindexTask
-  describe('reindex & waitForReindexTask', () => {
+  // Flaky: https://github.com/elastic/kibana/issues/166190
+  // Reported here: https://github.com/elastic/kibana/issues/167273
+  describe.skip('reindex & waitForReindexTask', () => {
     it('resolves right when reindex succeeds without reindex script', async () => {
       const res = (await reindex({
         client,