diff --git a/yarn/src/test/scala/org/apache/spark/deploy/yarn/YarnClusterSuite.scala b/yarn/src/test/scala/org/apache/spark/deploy/yarn/YarnClusterSuite.scala
index c06c0105670c0afe3e118521368521b78ff55025..76952e3341cc49249edd0c13b30ee081affd00e7 100644
--- a/yarn/src/test/scala/org/apache/spark/deploy/yarn/YarnClusterSuite.scala
+++ b/yarn/src/test/scala/org/apache/spark/deploy/yarn/YarnClusterSuite.scala
@@ -144,7 +144,7 @@ class YarnClusterSuite extends FunSuite with BeforeAndAfterAll with Matchers wit
   }
 
   // Enable this once fix SPARK-6700
-  ignore("run Python application in yarn-cluster mode") {
+  test("run Python application in yarn-cluster mode") {
     val primaryPyFile = new File(tempDir, "test.py")
     Files.write(TEST_PYFILE, primaryPyFile, UTF_8)
     val pyFile = new File(tempDir, "test2.py")