[SPARK-27390][CORE][SQL][TEST] Fix package name mismatch

## What changes were proposed in this pull request?

This PR aims to clean up package name mismatches.

## How was this patch tested?

Pass the Jenkins.

Closes apache#24300 from dongjoon-hyun/SPARK-27390.

Authored-by: Dongjoon Hyun <[email protected]>
Signed-off-by: Dongjoon Hyun <[email protected]>

Author: dongjoon-hyun

core/src/test/scala/org/apache/spark/util/PeriodicRDDCheckpointerSuite.scala

@@ -15,15 +15,14 @@
  * limitations under the License.
  */
 
-package org.apache.spark.utils
+package org.apache.spark.util
 
 import org.apache.hadoop.fs.Path
 
 import org.apache.spark.{SharedSparkContext, SparkContext, SparkFunSuite}
 import org.apache.spark.rdd.RDD
 import org.apache.spark.rdd.util.PeriodicRDDCheckpointer
 import org.apache.spark.storage.StorageLevel
-import org.apache.spark.util.Utils
 
 
 class PeriodicRDDCheckpointerSuite extends SparkFunSuite with SharedSparkContext {

sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/analysis/DSLHintSuite.scala

@@ -15,12 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.spark.sql
+package org.apache.spark.sql.catalyst.analysis
 
-import org.apache.spark.sql.catalyst.analysis.AnalysisTest
 import org.apache.spark.sql.catalyst.dsl.expressions._
 import org.apache.spark.sql.catalyst.dsl.plans._
-import org.apache.spark.sql.catalyst.expressions._
 import org.apache.spark.sql.catalyst.plans.logical._
 
 class DSLHintSuite extends AnalysisTest {

sql/core/src/test/scala/org/apache/spark/sql/execution/benchmark/DateTimeBenchmark.scala

@@ -15,9 +15,8 @@
  * limitations under the License.
  */
 
-package org.apache.spark.sql
+package org.apache.spark.sql.execution.benchmark
 
-import org.apache.spark.sql.execution.benchmark.SqlBasedBenchmark
 import org.apache.spark.sql.internal.SQLConf
 
 /**

sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/orc/OrcSchemaPruningSuite.scala

@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.spark.sql.execution.datasources.parquet
+package org.apache.spark.sql.execution.datasources.orc
 
 import org.apache.spark.SparkConf
 import org.apache.spark.sql.execution.datasources.SchemaPruningSuite

sql/core/src/test/scala/org/apache/spark/sql/streaming/continuous/shuffle/ContinuousShuffleSuite.scala renamed to sql/core/src/test/scala/org/apache/spark/sql/execution/streaming/continuous/shuffle/ContinuousShuffleSuite.scala

@@ -21,9 +21,9 @@ import java.util.UUID
 
 import scala.language.implicitConversions
 
-import org.apache.spark.{HashPartitioner, Partition, TaskContext, TaskContextImpl}
+import org.apache.spark.{HashPartitioner, TaskContext, TaskContextImpl}
 import org.apache.spark.rpc.RpcEndpointRef
-import org.apache.spark.sql.catalyst.expressions.{GenericInternalRow, UnsafeProjection, UnsafeRow}
+import org.apache.spark.sql.catalyst.expressions.{GenericInternalRow, UnsafeProjection}
 import org.apache.spark.sql.streaming.StreamTest
 import org.apache.spark.sql.types.{DataType, IntegerType, StringType}
 import org.apache.spark.unsafe.types.UTF8String