increase test parallelism

Author: marmbrus

sql/core/src/main/scala/org/apache/spark/sql/test/TestSQLContext.scala

@@ -22,7 +22,7 @@ import org.apache.spark.sql.{SQLConf, SQLContext}
 
 /** A SQLContext that can be used for local testing. */
 object TestSQLContext
-  extends SQLContext(new SparkContext("local", "TestSQLContext", new SparkConf())) {
+  extends SQLContext(new SparkContext("local[2]", "TestSQLContext", new SparkConf())) {
 
   /** Fewer partitions to speed up testing. */
   override private[spark] def numShufflePartitions: Int =

sql/hive/src/main/scala/org/apache/spark/sql/hive/TestHive.scala

@@ -41,7 +41,7 @@ import org.apache.spark.sql.SQLConf
 import scala.collection.JavaConversions._
 
 object TestHive
-  extends TestHiveContext(new SparkContext("local", "TestSQLContext", new SparkConf()))
+  extends TestHiveContext(new SparkContext("local[2]", "TestSQLContext", new SparkConf()))
 
 /**
  * A locally running test instance of Spark's Hive execution engine.