Move the testcase into FilterPushdownSuite.

Author: dongjoon-hyun

sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/FilterPushdownSuite.scala

@@ -150,6 +150,17 @@ class FilterPushdownSuite extends PlanTest {
     comparePlans(optimized, originalQuery)
   }
 
+  test("SPARK-16994: filter should not be pushed down into local limit") {
+    val originalQuery = testRelation
+      .limit(1)
+      .where('a % 2 == 0)
+      .analyze
+
+    val optimized = Optimize.execute(originalQuery)
+
+    comparePlans(optimized, originalQuery)
+  }
+
   test("filters: combines filters") {
     val originalQuery = testRelation
       .select('a)

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

@@ -1730,11 +1730,6 @@ class SQLQuerySuite extends QueryTest with SharedSQLContext {
     }
   }
 
-  test("SPARK-16994: filter should not be pushed down into local limit") {
-    checkAnswer(spark.createDataset(1 to 100).limit(10).filter($"value" % 10 === 0).toDF(),
-      Row(10) :: Nil)
-  }
-
   test("Struct Star Expansion") {
     val structDf = testData2.select("a", "b").as("record")