diff --git a/tests/parallel_test/run_case.sh b/tests/parallel_test/run_case.sh
index e0b905375a..2a828eaad0 100755
--- a/tests/parallel_test/run_case.sh
+++ b/tests/parallel_test/run_case.sh
@@ -81,3 +81,5 @@ fi
 
 exit $RET
 
+sleep  1800
+