Mute failing discovery disruption tests

Tracking #37539

Author: alpar-t

server/src/test/java/org/elasticsearch/discovery/DiscoveryDisruptionIT.java

@@ -200,6 +200,7 @@ public void testClusterFormingWithASlowNode() throws Exception {
         ensureStableCluster(3);
     }
 
+    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/37539")
     public void testElectMasterWithLatestVersion() throws Exception {
         final Set<String> nodes = new HashSet<>(internalCluster().startNodes(3));
         ensureStableCluster(3);