Fix test, more than one node may be connected.

Relates to elastic#37681

Author: martijnvg

x-pack/plugin/ccr/src/test/java/org/elasticsearch/xpack/ccr/RestartIndexFollowingIT.java

@@ -23,6 +23,7 @@
 import static java.util.Collections.singletonMap;
 import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;
 import static org.hamcrest.Matchers.equalTo;
+import static org.hamcrest.Matchers.greaterThanOrEqualTo;
 
 public class RestartIndexFollowingIT extends CcrIntegTestCase {
 
@@ -98,7 +99,7 @@ private void setupRemoteCluster() throws Exception {
             List<RemoteConnectionInfo> infos =
                 followerClient().execute(RemoteInfoAction.INSTANCE, new RemoteInfoRequest()).get().getInfos();
             assertThat(infos.size(), equalTo(1));
-            assertThat(infos.get(0).getNumNodesConnected(), equalTo(1));
+            assertThat(infos.get(0).getNumNodesConnected(), greaterThanOrEqualTo(1));
         });
     }