[Data telemetry] Add Async Search to the tests (#96693)

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>

Author: afharo

src/plugins/telemetry/server/telemetry_collection/get_data_telemetry/get_data_telemetry.test.ts

@@ -46,6 +46,15 @@ describe('get_data_telemetry', () => {
       ).toStrictEqual([]);
     });
 
+    test('should not include Async Search indices', () => {
+      expect(
+        buildDataTelemetryPayload([
+          { name: '.async_search', docCount: 0 },
+          { name: '.async-search', docCount: 0 },
+        ])
+      ).toStrictEqual([]);
+    });
+
     test('matches some indices and puts them in their own category', () => {
       expect(
         buildDataTelemetryPayload([