[8.x] Skip Serverless Transaction groups alerts when data is loaded w…

…ith avg transaction duration alerts returns the correct number of alert counts (#201533) (#201578)

# Backport

This will backport the following commits from `main` to `8.x`:
- [Skip Serverless Transaction groups alerts when data is loaded with
avg transaction duration alerts returns the correct number of alert
counts (#201533)](#201533)

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

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

<!--BACKPORT [{"author":{"name":"Sergi
Romeu","email":"[email protected]"},"sourceCommit":{"committedDate":"2024-11-25T12:48:31Z","message":"Skip
Serverless Transaction groups alerts when data is loaded with avg
transaction duration alerts returns the correct number of alert counts
(#201533)\n\n## Summary\nRelated to
https://github.com/elastic/kibana/issues/201531\n\nThis PR skips
`Transaction groups alerts when data is loaded with avg\ntransaction
duration alerts returns the correct number of alert counts`,\nwhich is
inside\n`x-pack/test/api_integration/deployment_agnostic/apis/observability/apm/transactions/transactions_groups_alerts.spec.ts`\nfile,
as it's failing on
MKI.","sha":"a76084f30f8bc4b59deb2efef7b653bafe13c06c","branchLabelMapping":{"^v9.0.0$":"main","^v8.18.0$":"8.x","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:skip","v9.0.0","backport:prev-minor","Team:obs-ux-infra_services"],"title":"Skip
Serverless Transaction groups alerts when data is loaded with avg
transaction duration alerts returns the correct number of alert
counts","number":201533,"url":"https://github.com/elastic/kibana/pull/201533","mergeCommit":{"message":"Skip
Serverless Transaction groups alerts when data is loaded with avg
transaction duration alerts returns the correct number of alert counts
(#201533)\n\n## Summary\nRelated to
https://github.com/elastic/kibana/issues/201531\n\nThis PR skips
`Transaction groups alerts when data is loaded with avg\ntransaction
duration alerts returns the correct number of alert counts`,\nwhich is
inside\n`x-pack/test/api_integration/deployment_agnostic/apis/observability/apm/transactions/transactions_groups_alerts.spec.ts`\nfile,
as it's failing on
MKI.","sha":"a76084f30f8bc4b59deb2efef7b653bafe13c06c"}},"sourceBranch":"main","suggestedTargetBranches":[],"targetPullRequestStates":[{"branch":"main","label":"v9.0.0","branchLabelMappingKey":"^v9.0.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/201533","number":201533,"mergeCommit":{"message":"Skip
Serverless Transaction groups alerts when data is loaded with avg
transaction duration alerts returns the correct number of alert counts
(#201533)\n\n## Summary\nRelated to
https://github.com/elastic/kibana/issues/201531\n\nThis PR skips
`Transaction groups alerts when data is loaded with avg\ntransaction
duration alerts returns the correct number of alert counts`,\nwhich is
inside\n`x-pack/test/api_integration/deployment_agnostic/apis/observability/apm/transactions/transactions_groups_alerts.spec.ts`\nfile,
as it's failing on
MKI.","sha":"a76084f30f8bc4b59deb2efef7b653bafe13c06c"}}]}] BACKPORT-->

Co-authored-by: Sergi Romeu <[email protected]>

x-pack/test/api_integration/deployment_agnostic/apis/observability/apm/transactions/transactions_groups_alerts.spec.ts

@@ -73,7 +73,10 @@ export default function ApiTest({ getService }: DeploymentAgnosticFtrProviderCon
     return response.body as TransactionsGroupsMainStatistics;
   }
 
-  describe('Transaction groups alerts', () => {
+  describe('Transaction groups alerts', function () {
+    // fails on MKI, see https://github.com/elastic/kibana/issues/201531
+    this.tags(['failsOnMKI']);
+
     describe('when data is loaded', () => {
       const transactions = [
         {