[7.17] [Flaky #98240] Unskip test (#165197) (#165247)

# Backport

This will backport the following commits from `main` to `7.17`:
- [[Flaky #98240] Unskip test
(#165197)](#165197)

<!--- Backport version: 8.9.7 -->

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

<!--BACKPORT [{"author":{"name":"Alejandro Fernández
Haro","email":"alejandro.haro@elastic.co"},"sourceCommit":{"committedDate":"2023-08-30T15:04:22Z","message":"[Flaky
#98240] Unskip test
(#165197)","sha":"0236516351e89ce1591d916c24d45a406bef714d","branchLabelMapping":{"^v8.11.0$":"main","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["Team:Core","technical
debt","release_note:skip","backport:all-open","v8.11.0"],"number":165197,"url":"https://github.com/elastic/kibana/pull/165197","mergeCommit":{"message":"[Flaky
#98240] Unskip test
(#165197)","sha":"0236516351e89ce1591d916c24d45a406bef714d"}},"sourceBranch":"main","suggestedTargetBranches":[],"targetPullRequestStates":[{"branch":"main","label":"v8.11.0","labelRegex":"^v8.11.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/165197","number":165197,"mergeCommit":{"message":"[Flaky
#98240] Unskip test
(#165197)","sha":"0236516351e89ce1591d916c24d45a406bef714d"}}]}]
BACKPORT-->

Co-authored-by: Alejandro Fernández Haro <alejandro.haro@elastic.co>

test/api_integration/apis/ui_counters/ui_counters.ts

@@ -56,8 +56,7 @@ export default function ({ getService }: FtrProviderContext) {
     return savedObject;
   };
 
-  // FLAKY: https://github.com/elastic/kibana/issues/98240
-  describe.skip('UI Counters API', () => {
+  describe('UI Counters API', () => {
     const dayDate = moment().format('DDMMYYYY');
     before(async () => await esArchiver.emptyKibanaIndex());