From 3d4b48e0aa5109e3b09c6d1c8d04264f8d9121cd Mon Sep 17 00:00:00 2001
From: Cheng Pan <379377944@qq.com>
Date: Mon, 14 Sep 2020 23:22:24 +0800
Subject: [PATCH] TransformSpecTest should extends InitializedNullHandlingTest
 (#10392)

---
 .../org/apache/druid/segment/indexing/TransformSpecTest.java   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/server/src/test/java/org/apache/druid/segment/indexing/TransformSpecTest.java b/server/src/test/java/org/apache/druid/segment/indexing/TransformSpecTest.java
index 8102a719e8e..763a924f8c2 100644
--- a/server/src/test/java/org/apache/druid/segment/indexing/TransformSpecTest.java
+++ b/server/src/test/java/org/apache/druid/segment/indexing/TransformSpecTest.java
@@ -35,12 +35,13 @@ import org.apache.druid.query.filter.SelectorDimFilter;
 import org.apache.druid.segment.TestHelper;
 import org.apache.druid.segment.transform.ExpressionTransform;
 import org.apache.druid.segment.transform.TransformSpec;
+import org.apache.druid.testing.InitializedNullHandlingTest;
 import org.junit.Assert;
 import org.junit.Test;
 
 import java.util.Map;
 
-public class TransformSpecTest
+public class TransformSpecTest extends InitializedNullHandlingTest
 {
   private static final MapInputRowParser PARSER = new MapInputRowParser(
       new TimeAndDimsParseSpec(