mute testTemporaryIndexDeletedOnRollupFailure (#69558)

this commit mutes a test that fails once in a while:
RollupActionSingleNodeTests.testTemporaryIndexDeletedOnRollupFailure

x-pack/plugin/rollup/src/test/java/org/elasticsearch/xpack/rollup/v2/RollupActionSingleNodeTests.java

@@ -135,6 +135,7 @@ public class RollupActionSingleNodeTests extends ESSingleNodeTestCase {
         assertThat(exception.getMessage(), containsString("Unable to rollup index [" + index + "]"));
     }
 
+    @AwaitsFix(bugUrl="https://github.com/elastic/elasticsearch/issues/69506")
     public void testTemporaryIndexDeletedOnRollupFailure() throws Exception {
         RollupActionDateHistogramGroupConfig dateHistogramGroupConfig = randomRollupActionDateHistogramGroupConfig("date_1");
         SourceSupplier sourceSupplier = () -> XContentFactory.jsonBuilder().startObject()