Adapt to the lastest master replication plugin

The latest master of the replication includes a new
method for updating the configuration resources.

Change-Id: I0fbcac4efddf7ef7c9ed023e40843d9d4ba4de91

src/test/java/com/googlesource/gerrit/plugins/replication/pull/health/PullReplicationTasksHealthCheckTest.java

diff --git a/src/test/java/com/googlesource/gerrit/plugins/replication/pull/health/PullReplicationTasksHealthCheckTest.java b/src/test/java/com/googlesource/gerrit/plugins/replication/pull/health/PullReplicationTasksHealthCheckTest.java
index acba063..d06c9ea 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/replication/pull/health/PullReplicationTasksHealthCheckTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/replication/pull/health/PullReplicationTasksHealthCheckTest.java
@@ -38,6 +38,7 @@
 import com.googlesource.gerrit.plugins.replication.api.ConfigResource;
 import com.googlesource.gerrit.plugins.replication.pull.Source;
 import com.googlesource.gerrit.plugins.replication.pull.SourcesCollection;
+import java.io.IOException;
 import java.time.Duration;
 import java.util.ArrayList;
 import java.util.List;
@@ -255,6 +256,9 @@
             }
 
             @Override
+            public void update(Config config) throws IOException {}
+
+            @Override
             public String getVersion() {
               return "";
             }