isDefined instead of ne(None).

Author: wangyum

external/docker-integration-tests/src/test/scala/org/apache/spark/sql/jdbc/OracleIntegrationSuite.scala

@@ -260,11 +260,11 @@ class OracleIntegrationSuite extends DockerJDBCIntegrationSuite with SharedSQLCo
     assert(parentPlan.isInstanceOf[WholeStageCodegenExec])
     val node = parentPlan.asInstanceOf[WholeStageCodegenExec]
     val metadata = node.child.asInstanceOf[RowDataSourceScanExec].metadata
-    // The "PushedFilters" part should be exist in Dataframe's
+    // The "PushedFilters" part should exist in Dataframe's
     // physical plan and the existence of right literals in
     // "PushedFilters" is used to prove that the predicates
     // pushing down have been effective.
-    assert(metadata.get("PushedFilters").ne(None))
+    assert(metadata.get("PushedFilters").isDefined)
     assert(metadata("PushedFilters").contains(dt.toString))
     assert(metadata("PushedFilters").contains(ts.toString))
 

sql/core/src/test/scala/org/apache/spark/sql/test/SQLTestUtils.scala

@@ -39,6 +39,7 @@ import org.apache.spark.sql.catalyst.plans.PlanTest
 import org.apache.spark.sql.catalyst.plans.logical.LogicalPlan
 import org.apache.spark.sql.catalyst.util._
 import org.apache.spark.sql.execution.FilterExec
+import org.apache.spark.sql.internal.SQLConf
 import org.apache.spark.util.{UninterruptibleThread, Utils}
 
 /**