diff --git a/main/tests/server/src/com/google/refine/tests/operations/row/RowReorderOperationTests.java b/main/tests/server/src/com/google/refine/tests/operations/row/RowReorderOperationTests.java
index bbc03c3af..0bc492d24 100644
--- a/main/tests/server/src/com/google/refine/tests/operations/row/RowReorderOperationTests.java
+++ b/main/tests/server/src/com/google/refine/tests/operations/row/RowReorderOperationTests.java
@@ -1,11 +1,15 @@
 package com.google.refine.tests.operations.row;
 
+import static org.mockito.Mockito.mock;
+
 import java.util.Properties;
 
+import org.json.JSONException;
 import org.json.JSONObject;
 import org.testng.Assert;
 import org.testng.annotations.AfterMethod;
 import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.BeforeSuite;
 import org.testng.annotations.Test;
 
 import com.google.refine.ProjectManager;
@@ -13,9 +17,11 @@ import com.google.refine.browsing.Engine.Mode;
 import com.google.refine.model.AbstractOperation;
 import com.google.refine.model.Cell;
 import com.google.refine.model.Project;
+import com.google.refine.operations.OperationRegistry;
 import com.google.refine.operations.row.RowReorderOperation;
 import com.google.refine.process.Process;
 import com.google.refine.tests.RefineTest;
+import com.google.refine.tests.util.TestUtils;
 
 public class RowReorderOperationTests extends RefineTest {