diff --git a/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/pgm/ElasticReindexIT.java b/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/pgm/ElasticReindexIT.java
index 283b03f..b560c5f 100644
--- a/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/pgm/ElasticReindexIT.java
+++ b/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/pgm/ElasticReindexIT.java
@@ -33,8 +33,7 @@
     elasticNodeInfo = new ElasticNodeInfo(container.getHttpHost().getPort());
     String indicesPrefix = UUID.randomUUID().toString();
     Config cfg = new Config();
-    String password = version == ElasticVersion.V5_6 ? "changeme" : null;
-    ElasticTestUtils.configure(cfg, elasticNodeInfo.port, indicesPrefix, password);
+    ElasticTestUtils.configure(cfg, elasticNodeInfo.port, indicesPrefix, version);
     return cfg;
   }
 
diff --git a/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/ssh/ElasticIndexIT.java b/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/ssh/ElasticIndexIT.java
index 81aecb0..ae49b78 100644
--- a/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/ssh/ElasticIndexIT.java
+++ b/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/ssh/ElasticIndexIT.java
@@ -31,8 +31,7 @@
     elasticNodeInfo = new ElasticNodeInfo(container.getHttpHost().getPort());
     String indicesPrefix = UUID.randomUUID().toString();
     Config cfg = new Config();
-    String password = version == ElasticVersion.V5_6 ? "changeme" : null;
-    ElasticTestUtils.configure(cfg, elasticNodeInfo.port, indicesPrefix, password);
+    ElasticTestUtils.configure(cfg, elasticNodeInfo.port, indicesPrefix, version);
     return cfg;
   }
 
diff --git a/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/testing/ElasticTestUtils.java b/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/testing/ElasticTestUtils.java
index 8832fcd..d2e0bc6 100644
--- a/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/testing/ElasticTestUtils.java
+++ b/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/testing/ElasticTestUtils.java
@@ -14,6 +14,7 @@
 
 package com.google.gerrit.elasticsearch.testing;
 
+import com.google.gerrit.elasticsearch.ElasticVersion;
 import com.google.gerrit.server.index.IndexDefinition;
 import com.google.gerrit.server.index.IndexModule.IndexType;
 import com.google.inject.Injector;
@@ -32,11 +33,12 @@
     }
   }
 
-  public static void configure(Config config, int port, String prefix, String password) {
+  public static void configure(Config config, int port, String prefix, ElasticVersion version) {
     config.setEnum("index", null, "type", IndexType.ELASTICSEARCH);
     config.setString("elasticsearch", null, "server", "http://localhost:" + port);
     config.setString("elasticsearch", null, "prefix", prefix);
     config.setInt("index", null, "maxLimit", 10000);
+    String password = version == ElasticVersion.V5_6 ? "changeme" : null;
     if (password != null) {
       config.setString("elasticsearch", null, "password", password);
     }
diff --git a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV5QueryAccountsTest.java b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV5QueryAccountsTest.java
index 496680e..60657be 100644
--- a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV5QueryAccountsTest.java
+++ b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV5QueryAccountsTest.java
@@ -62,7 +62,8 @@
     Config elasticsearchConfig = new Config(config);
     InMemoryModule.setDefaults(elasticsearchConfig);
     String indicesPrefix = testName();
-    ElasticTestUtils.configure(elasticsearchConfig, nodeInfo.port, indicesPrefix, "changeme");
+    ElasticTestUtils.configure(
+        elasticsearchConfig, nodeInfo.port, indicesPrefix, ElasticVersion.V5_6);
     return Guice.createInjector(new InMemoryModule(elasticsearchConfig, notesMigration));
   }
 }
diff --git a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV5QueryChangesTest.java b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV5QueryChangesTest.java
index b8411b5..076fad9 100644
--- a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV5QueryChangesTest.java
+++ b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV5QueryChangesTest.java
@@ -62,7 +62,8 @@
     Config elasticsearchConfig = new Config(config);
     InMemoryModule.setDefaults(elasticsearchConfig);
     String indicesPrefix = testName();
-    ElasticTestUtils.configure(elasticsearchConfig, nodeInfo.port, indicesPrefix, "changeme");
+    ElasticTestUtils.configure(
+        elasticsearchConfig, nodeInfo.port, indicesPrefix, ElasticVersion.V5_6);
     return Guice.createInjector(new InMemoryModule(elasticsearchConfig, notesMigration));
   }
 }
diff --git a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV5QueryGroupsTest.java b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV5QueryGroupsTest.java
index df25c67..d16a52a 100644
--- a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV5QueryGroupsTest.java
+++ b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV5QueryGroupsTest.java
@@ -62,7 +62,8 @@
     Config elasticsearchConfig = new Config(config);
     InMemoryModule.setDefaults(elasticsearchConfig);
     String indicesPrefix = testName();
-    ElasticTestUtils.configure(elasticsearchConfig, nodeInfo.port, indicesPrefix, "changeme");
+    ElasticTestUtils.configure(
+        elasticsearchConfig, nodeInfo.port, indicesPrefix, ElasticVersion.V5_6);
     return Guice.createInjector(new InMemoryModule(elasticsearchConfig, notesMigration));
   }
 }