add test

processing/src/test/java/org/apache/druid/query/DefaultQueryRunnerFactoryConglomerateTest.java

@@ -0,0 +1,45 @@
+///*
+// * Licensed to the Apache Software Foundation (ASF) under one
+// * or more contributor license agreements.  See the NOTICE file
+// * distributed with this work for additional information
+// * regarding copyright ownership.  The ASF licenses this file
+// * to you under the Apache License, Version 2.0 (the
+// * "License"); you may not use this file except in compliance
+// * with the License.  You may obtain a copy of the License at
+// *
+// *   http://www.apache.org/licenses/LICENSE-2.0
+// *
+// * Unless required by applicable law or agreed to in writing,
+// * software distributed under the License is distributed on an
+// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// * KIND, either express or implied.  See the License for the
+// * specific language governing permissions and limitations
+// * under the License.
+// */
+//
+//package org.apache.druid.query;
+//
+//import com.google.common.collect.ImmutableMap;
+//import org.apache.druid.java.util.common.DateTimes;
+//import org.junit.Assert;
+//import org.junit.Test;
+//
+//public class DefaultQueryRunnerFactoryConglomerateTest
+//{
+//
+//  @Test
+//  public void testCompareNullTimestamp()
+//  {
+//    DefaultQueryRunnerFactoryConglomerate a=new DefaultQueryRunnerFactoryConglomerate(
+//        ImmutableMap.builder()
+//        .put()
+//
+//        )
+//    final Result<Object> nullTimestamp = new Result<>(null, null);
+//    final Result<Object> nullTimestamp2 = new Result<>(null, null);
+//    final Result<Object> nonNullTimestamp = new Result<>(DateTimes.nowUtc(), null);
+//
+//    Assert.assertEquals(0, nullTimestamp.compareTo(nullTimestamp2));
+//    Assert.assertEquals(1, nullTimestamp.compareTo(nonNullTimestamp));
+//  }
+//}