ElasticQueryChangesTest: Increase transport timeout to 1 minute

The default is 30s [1]. Increase it to 1 minute in an effort to
prevent timeout errors that have been causing CI to fail [2].

[1] https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-transport.html
[2] https://gerrit-ci.gerritforge.com/job/Gerrit-master/2387/console

Change-Id: Ic6abca01b99a97814fbb066141a1005d767dd463

gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticQueryChangesTest.java

@@ -87,6 +87,7 @@ public class ElasticQueryChangesTest extends AbstractQueryChangesTest {
         .put("path.data", elasticDirPath.resolve("data").toAbsolutePath())
         .put("path.work", elasticDirPath.resolve("work").toAbsolutePath())
         .put("path.logs", elasticDirPath.resolve("logs").toAbsolutePath())
+        .put("transport.tcp.connect_timeout", "60s")
         .build();
 
     // Start the node