Revert "PushOneTest: Remove unused mock ReplicationQueue"

This reverts commit 04bd5274b5b9d852989f92ad42a3ceea3f917238.

Reason for revert: ReplicationQueue is still being used and cannot be
removed.

Change-Id: I1d573a579e714e71757c3483a98bad2125fd4865

src/test/java/com/googlesource/gerrit/plugins/replication/PushOneTest.java

diff --git a/src/test/java/com/googlesource/gerrit/plugins/replication/PushOneTest.java b/src/test/java/com/googlesource/gerrit/plugins/replication/PushOneTest.java
index f7c142a..af065b3 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/replication/PushOneTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/replication/PushOneTest.java
@@ -82,6 +82,7 @@
   private RefSpec refSpecMock;
   private CredentialsFactory credentialsFactory;
   private PerThreadRequestScope.Scoper threadRequestScoperMock;
+  private ReplicationQueue replicationQueueMock;
   private IdGenerator idGeneratorMock;
   private ReplicationStateListeners replicationStateListenersMock;
   private ReplicationMetrics replicationMetricsMock;
@@ -146,6 +147,7 @@
     setupFetchConnectionMock();
     setupPushConnectionMock();
     setupRequestScopeMock();
+    replicationQueueMock = createNiceMock(ReplicationQueue.class);
     idGeneratorMock = createNiceMock(IdGenerator.class);
     replicationStateListenersMock = createNiceMock(ReplicationStateListeners.class);
 
@@ -165,6 +167,7 @@
         remoteConfigMock,
         credentialsFactory,
         threadRequestScoperMock,
+        replicationQueueMock,
         idGeneratorMock,
         replicationStateListenersMock,
         replicationMetricsMock,