PushOneTest: Fix Eclipse warning

Change-Id: I12ef84617e638ba686e4e2d9ddb0ef8d07fb71ea
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 5be6552..e1ce8b0 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/replication/PushOneTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/replication/PushOneTest.java
@@ -87,7 +87,7 @@
   private IdGenerator idGeneratorMock;
   private ReplicationStateListeners replicationStateListenersMock;
   private ReplicationMetrics replicationMetricsMock;
-  private Timer1.Context timerContextMock;
+  private Timer1.Context<String> timerContextMock;
   private ProjectCache projectCacheMock;
   private TransportFactory transportFactoryMock;
   private Transport transportMock;
@@ -127,6 +127,7 @@
     setupMocks();
   }
 
+  @SuppressWarnings("unchecked")
   private void setupMocks() throws Exception {
     FileBasedConfig config = new FileBasedConfig(new Config(), new File("/foo"), FS.DETECTED);
     config.setString("remote", "Replication", "push", "foo");