xuyangzhong commented on a change in pull request #17537:
URL: https://github.com/apache/flink/pull/17537#discussion_r739005163



##########
File path: 
flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/factories/TestValuesRuntimeFunctions.java
##########
@@ -19,56 +19,17 @@
 package org.apache.flink.table.planner.factories;
 
 import org.apache.flink.api.common.eventtime.Watermark;
-import org.apache.flink.api.common.eventtime.WatermarkGenerator;
-import org.apache.flink.api.common.eventtime.WatermarkOutput;
-import org.apache.flink.api.common.eventtime.WatermarkStrategy;
-import org.apache.flink.api.common.io.RichOutputFormat;
-import org.apache.flink.api.common.state.ListState;
-import org.apache.flink.api.common.state.ListStateDescriptor;
-import org.apache.flink.api.common.typeinfo.Types;
-import org.apache.flink.api.common.typeutils.TypeSerializer;
-import org.apache.flink.configuration.Configuration;
-import org.apache.flink.core.memory.DataInputView;
-import org.apache.flink.core.memory.DataInputViewStreamWrapper;
-import org.apache.flink.core.memory.DataOutputViewStreamWrapper;
-import org.apache.flink.runtime.state.FunctionInitializationContext;
-import org.apache.flink.runtime.state.FunctionSnapshotContext;
-import org.apache.flink.streaming.api.checkpoint.CheckpointedFunction;
-import org.apache.flink.streaming.api.functions.sink.RichSinkFunction;
-import org.apache.flink.streaming.api.functions.source.SourceFunction;
-import 
org.apache.flink.table.connector.sink.DynamicTableSink.DataStructureConverter;
-import org.apache.flink.table.data.RowData;
-import org.apache.flink.table.data.TimestampData;
-import org.apache.flink.table.functions.AsyncTableFunction;
-import org.apache.flink.table.functions.FunctionContext;
-import org.apache.flink.table.functions.TableFunction;
-import org.apache.flink.test.util.SuccessException;
-import org.apache.flink.types.Row;
-import org.apache.flink.types.RowKind;
-import org.apache.flink.types.RowUtils;
 
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
 import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
-import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
-import java.util.concurrent.CompletableFuture;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-
-import static 
org.apache.flink.table.planner.factories.TestValuesTableFactory.RESOURCE_COUNTER;
-import static org.apache.flink.util.Preconditions.checkArgument;
 
 /** Runtime function implementations for {@link TestValuesTableFactory}. */
-final class TestValuesRuntimeFunctions {
+public final class TestValuesRuntimeFunctions {

Review comment:
       got it




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