Test: Increase the ping timeout to avoid that a candidate master node makes the decision to elect itself too soon.

src/test/java/org/elasticsearch/cluster/MinimumMasterNodesTests.java

@@ -169,7 +169,7 @@ public class MinimumMasterNodesTests extends ElasticsearchIntegrationTest {
         Settings settings = settingsBuilder()
                 .put("discovery.type", "zen")
                 .put("discovery.zen.minimum_master_nodes", 3)
-                .put("discovery.zen.ping_timeout", "200ms")
+                .put("discovery.zen.ping_timeout", "1s")
                 .put("discovery.initial_state_timeout", "500ms")
                 .put("gateway.type", "local")
                 .build();