[TEST] FileSettingsRoleMappingsRestartIT - wait for green status (elastic#92772)

Author: grcevski

x-pack/plugin/security/src/internalClusterTest/java/org/elasticsearch/xpack/security/FileSettingsRoleMappingsRestartIT.java

@@ -108,7 +108,6 @@ public void clusterChanged(ClusterChangedEvent event) {
         return new Tuple<>(savedClusterState, metadataVersion);
     }
 
-    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/pull/92454")
     public void testReservedStatePersistsOnRestart() throws Exception {
         internalCluster().setBootstrapMasterNodeIndex(0);
 
@@ -127,6 +126,8 @@ public void testReservedStatePersistsOnRestart() throws Exception {
         logger.info("--> restart master");
         internalCluster().restartNode(masterNode);
 
+        ensureGreen();
+
         var clusterStateResponse = client().admin().cluster().state(new ClusterStateRequest()).actionGet();
         assertThat(
             clusterStateResponse.getState()