Mute SourceOnlySnapshotIT testSnapshotAndRestore

Due to https://github.com/elastic/elasticsearch/issues/36330

x-pack/plugin/core/src/test/java/org/elasticsearch/snapshots/SourceOnlySnapshotIT.java

@@ -92,6 +92,12 @@ public class SourceOnlySnapshotIT extends ESIntegTestCase {
         }
     }
 
+    public void testToStopSuiteFailing() {
+        // This is required because otherwise every test in the suite is muted
+        // TODO remove this when one of the other tests is fixed
+    }
+
+    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/36330")
     public void testSnapshotAndRestore() throws Exception {
         final String sourceIdx = "test-idx";
         boolean requireRouting = randomBoolean();