[SPARK-17213][SPARK-17213][FOLLOW-UP] Improve the test of

## What changes were proposed in this pull request?
This is a minor improvement for the test of SPARK-17213

## How was this patch tested?
N/A

Author: Xiao Li <gatorsmile@gmail.com>

Closes #21716 from gatorsmile/testMaster23.

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

@@ -618,21 +618,25 @@ class ParquetFilterSuite extends QueryTest with ParquetTest with SharedSQLContex
   }
 
   test("SPARK-17213: Broken Parquet filter push-down for string columns") {
-    withTempPath { dir =>
-      import testImplicits._
+    Seq(true, false).foreach { vectorizedEnabled =>
+      withSQLConf(SQLConf.PARQUET_VECTORIZED_READER_ENABLED.key -> vectorizedEnabled.toString) {
+        withTempPath { dir =>
+          import testImplicits._
 
-      val path = dir.getCanonicalPath
-      // scalastyle:off nonascii
-      Seq("a", "é").toDF("name").write.parquet(path)
-      // scalastyle:on nonascii
+          val path = dir.getCanonicalPath
+          // scalastyle:off nonascii
+          Seq("a", "é").toDF("name").write.parquet(path)
+          // scalastyle:on nonascii
 
-      assert(spark.read.parquet(path).where("name > 'a'").count() == 1)
-      assert(spark.read.parquet(path).where("name >= 'a'").count() == 2)
+          assert(spark.read.parquet(path).where("name > 'a'").count() == 1)
+          assert(spark.read.parquet(path).where("name >= 'a'").count() == 2)
 
-      // scalastyle:off nonascii
-      assert(spark.read.parquet(path).where("name < 'é'").count() == 1)
-      assert(spark.read.parquet(path).where("name <= 'é'").count() == 2)
-      // scalastyle:on nonascii
+          // scalastyle:off nonascii
+          assert(spark.read.parquet(path).where("name < 'é'").count() == 1)
+          assert(spark.read.parquet(path).where("name <= 'é'").count() == 2)
+          // scalastyle:on nonascii
+        }
+      }
     }
   }