Add classic.SparkSessionBinder with usage demonstration

Author: Matthis Gördel

sql/core/src/test/scala/org/apache/spark/sql/classic/SparkSessionBinder.scala

@@ -0,0 +1,26 @@
+/*
+ * 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.spark.sql.classic
+
+import org.apache.spark.sql
+
+trait SparkSessionBinder
+  extends sql.SparkSessionBinder
+  with SparkSessionProvider {
+  override protected def spark: SparkSession = super.spark.asInstanceOf[SparkSession]
+}

sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetQuerySuite.scala

@@ -30,21 +30,23 @@ import org.apache.spark.sql._
 import org.apache.spark.sql.catalyst.{InternalRow, TableIdentifier}
 import org.apache.spark.sql.catalyst.expressions.SpecificInternalRow
 import org.apache.spark.sql.catalyst.util.ArrayData
+import org.apache.spark.sql.classic
 import org.apache.spark.sql.execution.FileSourceScanExec
 import org.apache.spark.sql.execution.datasources.{SchemaColumnConvertNotSupportedException, SQLHadoopMapReduceCommitProtocol}
 import org.apache.spark.sql.execution.datasources.parquet.TestingUDT._
 import org.apache.spark.sql.execution.datasources.v2.BatchScanExec
 import org.apache.spark.sql.execution.datasources.v2.parquet.ParquetScan
 import org.apache.spark.sql.functions.struct
 import org.apache.spark.sql.internal.SQLConf
-import org.apache.spark.sql.test.SharedSparkSession
 import org.apache.spark.sql.types._
 import org.apache.spark.util.Utils
 
 /**
  * A test suite that tests various Parquet queries.
  */
-abstract class ParquetQuerySuite extends ParquetTest with SharedSparkSession {
+abstract class ParquetQuerySuite extends ParquetTest
+  with QueryTest
+  with classic.SparkSessionBinder {
   import testImplicits._
 
   test("simple select queries") {