1 files changed, 2 insertions, 22 deletions
diff --git a/mllib/src/test/java/org/apache/spark/ml/feature/JavaPolynomialExpansionSuite.java b/mllib/src/test/java/org/apache/spark/ml/feature/JavaPolynomialExpansionSuite.java
index a28f73f10a..df5d34fbe9 100644
--- a/mllib/src/test/java/org/apache/spark/ml/feature/JavaPolynomialExpansionSuite.java
+++ b/mllib/src/test/java/org/apache/spark/ml/feature/JavaPolynomialExpansionSuite.java
@@ -20,41 +20,21 @@ package org.apache.spark.ml.feature;
 import java.util.Arrays;
 import java.util.List;
 
-import org.junit.After;
 import org.junit.Assert;
-import org.junit.Before;
 import org.junit.Test;
 
-import org.apache.spark.api.java.JavaSparkContext;
+import org.apache.spark.SharedSparkSession;
 import org.apache.spark.ml.linalg.Vector;
 import org.apache.spark.ml.linalg.VectorUDT;
 import org.apache.spark.ml.linalg.Vectors;
 import org.apache.spark.sql.Dataset;
 import org.apache.spark.sql.Row;
 import org.apache.spark.sql.RowFactory;
-import org.apache.spark.sql.SparkSession;
 import org.apache.spark.sql.types.Metadata;
 import org.apache.spark.sql.types.StructField;
 import org.apache.spark.sql.types.StructType;
 
-public class JavaPolynomialExpansionSuite {
-  private transient SparkSession spark;
-  private transient JavaSparkContext jsc;
-
-  @Before
-  public void setUp() {
-    spark = SparkSession.builder()
-      .master("local")
-      .appName("JavaPolynomialExpansionSuite")
-      .getOrCreate();
-    jsc = new JavaSparkContext(spark.sparkContext());
-  }
-
-  @After
-  public void tearDown() {
-    jsc.stop();
-    jsc = null;
-  }
+public class JavaPolynomialExpansionSuite extends SharedSparkSession {
 
   @Test
   public void polynomialExpansionTest() {