Temporary skip TestEventLogOutputConfiguredViaFleet (#5162) (#5167)

The test is flaky #5159

(cherry picked from commit fa52544)

Co-authored-by: Denis <denis.rechkunov@elastic.co>

testing/integration/event_logging_test.go

@@ -163,6 +163,7 @@ func TestEventLogOutputConfiguredViaFleet(t *testing.T) {
 		},
 		Group: "container",
 	})
+	t.Skip("Flaky test: https://github.com/elastic/elastic-agent/issues/5159")
 
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
 	defer cancel()