ReplicationIT: reduce execution time

Change-Id: I259aa073ae16234d2aaa556012cfa2f584aca748
diff --git a/src/test/java/com/googlesource/gerrit/plugins/replication/ReplicationIT.java b/src/test/java/com/googlesource/gerrit/plugins/replication/ReplicationIT.java
index 45d8506..23148f8 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/replication/ReplicationIT.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/replication/ReplicationIT.java
@@ -59,8 +59,8 @@
 public class ReplicationIT extends LightweightPluginDaemonTest {
   private static final Optional<String> ALL_PROJECTS = Optional.empty();
   private static final FluentLogger logger = FluentLogger.forEnclosingClass();
-  private static final int TEST_REPLICATION_DELAY = 5;
-  private static final Duration TEST_TIMEOUT = Duration.ofSeconds(TEST_REPLICATION_DELAY * 10);
+  private static final int TEST_REPLICATION_DELAY = 1;
+  private static final Duration TEST_TIMEOUT = Duration.ofSeconds(TEST_REPLICATION_DELAY * 2);
 
   @Inject private SitePaths sitePaths;
   private Path pluginDataDir;
diff --git a/src/test/java/com/googlesource/gerrit/plugins/replication/WaitUtil.java b/src/test/java/com/googlesource/gerrit/plugins/replication/WaitUtil.java
index 8bd8147..586b56c 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/replication/WaitUtil.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/replication/WaitUtil.java
@@ -14,7 +14,7 @@
 
 package com.googlesource.gerrit.plugins.replication;
 
-import static java.util.concurrent.TimeUnit.SECONDS;
+import static java.util.concurrent.TimeUnit.MILLISECONDS;
 
 import com.google.common.base.Stopwatch;
 import java.time.Duration;
@@ -28,7 +28,7 @@
       if (stopwatch.elapsed().compareTo(timeout) > 0) {
         throw new InterruptedException();
       }
-      SECONDS.sleep(1);
+      MILLISECONDS.sleep(50);
     }
   }
 }