DynamoDBRefDatabaseIT: Add missing override annotation

Change-Id: Iaccbdda2f0ff885496bfe82ca4bbb96817430d41

src/test/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/dynamodb/DynamoDBRefDatabaseIT.java

diff --git a/src/test/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/dynamodb/DynamoDBRefDatabaseIT.java b/src/test/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/dynamodb/DynamoDBRefDatabaseIT.java
index d8978c0..5012658 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/dynamodb/DynamoDBRefDatabaseIT.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/dynamodb/DynamoDBRefDatabaseIT.java
@@ -49,6 +49,7 @@
           .withExposedPorts(LOCALSTACK_PORT);
 
   @Before
+  @Override
   public void setUpTestPlugin() throws Exception {
     localstack.start();