1 files changed, 1 insertions, 0 deletions
diff --git a/sbt/sbt b/sbt/sbt
index fab9967286..a3055c13c1 100755
--- a/sbt/sbt
+++ b/sbt/sbt
@@ -4,4 +4,5 @@ if [ "$MESOS_HOME" != "" ]; then
   EXTRA_ARGS="-Djava.library.path=$MESOS_HOME/lib/java"
 fi
 export SPARK_HOME=$(cd "$(dirname $0)/.."; pwd)
+export SPARK_TESTING=1  # To put test classes on classpath
 java -Xmx1200M -XX:MaxPermSize=200m $EXTRA_ARGS -jar $SPARK_HOME/sbt/sbt-launch-*.jar "$@"