diff --git a/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticAccountIndex.java b/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticAccountIndex.java
index 390f7b1..7df7f1c 100644
--- a/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticAccountIndex.java
+++ b/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticAccountIndex.java
@@ -60,15 +60,15 @@
 
 public class ElasticAccountIndex extends AbstractElasticIndex<Account.Id, AccountState>
     implements AccountIndex {
-  static class AccountMapping {
+  public static class AccountMapping {
     MappingProperties accounts;
 
-    AccountMapping(Schema<AccountState> schema) {
+    public AccountMapping(Schema<AccountState> schema) {
       this.accounts = ElasticMapping.createMapping(schema);
     }
   }
 
-  static final String ACCOUNTS = "accounts";
+  public static final String ACCOUNTS = "accounts";
 
   private static final Logger log = LoggerFactory.getLogger(ElasticAccountIndex.class);
 
diff --git a/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticChangeIndex.java b/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticChangeIndex.java
index 5424e6b..22fec99 100644
--- a/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticChangeIndex.java
+++ b/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticChangeIndex.java
@@ -78,24 +78,24 @@
 import org.slf4j.LoggerFactory;
 
 /** Secondary index implementation using Elasticsearch. */
-class ElasticChangeIndex extends AbstractElasticIndex<Change.Id, ChangeData>
+public class ElasticChangeIndex extends AbstractElasticIndex<Change.Id, ChangeData>
     implements ChangeIndex {
   private static final Logger log = LoggerFactory.getLogger(ElasticChangeIndex.class);
 
-  static class ChangeMapping {
-    MappingProperties openChanges;
-    MappingProperties closedChanges;
+  public static class ChangeMapping {
+    public MappingProperties openChanges;
+    public MappingProperties closedChanges;
 
-    ChangeMapping(Schema<ChangeData> schema) {
+    public ChangeMapping(Schema<ChangeData> schema) {
       MappingProperties mapping = ElasticMapping.createMapping(schema);
       this.openChanges = mapping;
       this.closedChanges = mapping;
     }
   }
 
-  static final String CHANGES = "changes";
-  static final String OPEN_CHANGES = "open_" + CHANGES;
-  static final String CLOSED_CHANGES = "closed_" + CHANGES;
+  public static final String CHANGES = "changes";
+  public static final String OPEN_CHANGES = "open_" + CHANGES;
+  public static final String CLOSED_CHANGES = "closed_" + CHANGES;
 
   private final ChangeMapping mapping;
   private final Provider<ReviewDb> db;
diff --git a/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticGroupIndex.java b/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticGroupIndex.java
index 9491940..f24f844 100644
--- a/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticGroupIndex.java
+++ b/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticGroupIndex.java
@@ -57,15 +57,15 @@
 
 public class ElasticGroupIndex extends AbstractElasticIndex<AccountGroup.UUID, AccountGroup>
     implements GroupIndex {
-  static class GroupMapping {
+  public static class GroupMapping {
     MappingProperties groups;
 
-    GroupMapping(Schema<AccountGroup> schema) {
+    public GroupMapping(Schema<AccountGroup> schema) {
       this.groups = ElasticMapping.createMapping(schema);
     }
   }
 
-  static final String GROUPS = "groups";
+  public static final String GROUPS = "groups";
 
   private static final Logger log = LoggerFactory.getLogger(ElasticGroupIndex.class);
 
diff --git a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticTestUtils.java b/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/testing/ElasticTestUtils.java
similarity index 90%
rename from gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticTestUtils.java
rename to gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/testing/ElasticTestUtils.java
index 654db40..ca9673e 100644
--- a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticTestUtils.java
+++ b/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/testing/ElasticTestUtils.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.elasticsearch;
+package com.google.gerrit.elasticsearch.testing;
 
 import static com.google.common.truth.Truth.assertThat;
 import static com.google.gerrit.elasticsearch.ElasticAccountIndex.ACCOUNTS;
@@ -23,8 +23,10 @@
 
 import com.google.common.base.Strings;
 import com.google.common.io.Files;
+import com.google.gerrit.elasticsearch.ElasticAccountIndex;
 import com.google.gerrit.elasticsearch.ElasticAccountIndex.AccountMapping;
 import com.google.gerrit.elasticsearch.ElasticChangeIndex.ChangeMapping;
+import com.google.gerrit.elasticsearch.ElasticGroupIndex;
 import com.google.gerrit.elasticsearch.ElasticGroupIndex.GroupMapping;
 import com.google.gerrit.reviewdb.client.AccountGroup;
 import com.google.gerrit.server.account.AccountState;
@@ -48,16 +50,16 @@
 import org.elasticsearch.node.Node;
 import org.elasticsearch.node.NodeBuilder;
 
-final class ElasticTestUtils {
+public final class ElasticTestUtils {
   static final Gson gson =
       new GsonBuilder()
           .setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES)
           .create();
 
-  static class ElasticNodeInfo {
-    final Node node;
-    final String port;
-    final File elasticDir;
+  public static class ElasticNodeInfo {
+    public final Node node;
+    public final String port;
+    public final File elasticDir;
 
     private ElasticNodeInfo(Node node, File rootDir, String port) {
       this.node = node;
@@ -66,7 +68,7 @@
     }
   }
 
-  static void configure(Config config, String port, String prefix) {
+  public static void configure(Config config, String port, String prefix) {
     config.setEnum("index", null, "type", IndexType.ELASTICSEARCH);
     config.setString("elasticsearch", "test", "protocol", "http");
     config.setString("elasticsearch", "test", "hostname", "localhost");
@@ -74,7 +76,8 @@
     config.setString("elasticsearch", null, "prefix", prefix);
   }
 
-  static ElasticNodeInfo startElasticsearchNode() throws InterruptedException, ExecutionException {
+  public static ElasticNodeInfo startElasticsearchNode()
+      throws InterruptedException, ExecutionException {
     File elasticDir = Files.createTempDir();
     Path elasticDirPath = elasticDir.toPath();
     Settings settings =
@@ -106,19 +109,19 @@
     return new ElasticNodeInfo(node, elasticDir, getHttpPort(node));
   }
 
-  static void deleteAllIndexes(ElasticNodeInfo nodeInfo) {
+  public static void deleteAllIndexes(ElasticNodeInfo nodeInfo) {
     nodeInfo.node.client().admin().indices().prepareDelete("_all").execute();
   }
 
-  static class NodeInfo {
+  public static class NodeInfo {
     String httpAddress;
   }
 
-  static class Info {
+  public static class Info {
     Map<String, NodeInfo> nodes;
   }
 
-  static void createAllIndexes(ElasticNodeInfo nodeInfo, String prefix) {
+  public static void createAllIndexes(ElasticNodeInfo nodeInfo, String prefix) {
     Schema<ChangeData> changeSchema = ChangeSchemaDefinitions.INSTANCE.getLatest();
     ChangeMapping openChangesMapping = new ChangeMapping(changeSchema);
     ChangeMapping closedChangesMapping = new ChangeMapping(changeSchema);
diff --git a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticQueryAccountsTest.java b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticQueryAccountsTest.java
index f10c0ab..6b3ebc5 100644
--- a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticQueryAccountsTest.java
+++ b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticQueryAccountsTest.java
@@ -14,7 +14,8 @@
 
 package com.google.gerrit.elasticsearch;
 
-import com.google.gerrit.elasticsearch.ElasticTestUtils.ElasticNodeInfo;
+import com.google.gerrit.elasticsearch.testing.ElasticTestUtils;
+import com.google.gerrit.elasticsearch.testing.ElasticTestUtils.ElasticNodeInfo;
 import com.google.gerrit.server.query.account.AbstractQueryAccountsTest;
 import com.google.gerrit.testutil.InMemoryModule;
 import com.google.inject.Guice;
diff --git a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticQueryChangesTest.java b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticQueryChangesTest.java
index 5e6114c..9ae667c 100644
--- a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticQueryChangesTest.java
+++ b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticQueryChangesTest.java
@@ -14,7 +14,8 @@
 
 package com.google.gerrit.elasticsearch;
 
-import com.google.gerrit.elasticsearch.ElasticTestUtils.ElasticNodeInfo;
+import com.google.gerrit.elasticsearch.testing.ElasticTestUtils;
+import com.google.gerrit.elasticsearch.testing.ElasticTestUtils.ElasticNodeInfo;
 import com.google.gerrit.server.query.change.AbstractQueryChangesTest;
 import com.google.gerrit.testutil.InMemoryModule;
 import com.google.gerrit.testutil.InMemoryRepositoryManager.Repo;
diff --git a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticQueryGroupsTest.java b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticQueryGroupsTest.java
index 76d85b9..c7f7475 100644
--- a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticQueryGroupsTest.java
+++ b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticQueryGroupsTest.java
@@ -14,7 +14,8 @@
 
 package com.google.gerrit.elasticsearch;
 
-import com.google.gerrit.elasticsearch.ElasticTestUtils.ElasticNodeInfo;
+import com.google.gerrit.elasticsearch.testing.ElasticTestUtils;
+import com.google.gerrit.elasticsearch.testing.ElasticTestUtils.ElasticNodeInfo;
 import com.google.gerrit.server.query.group.AbstractQueryGroupsTest;
 import com.google.gerrit.testutil.InMemoryModule;
 import com.google.inject.Guice;