diff --git a/tools/integration_tests/run_e2e_tests.sh b/tools/integration_tests/run_e2e_tests.sh
index 9f402d92a9..b381c99fdf 100755
--- a/tools/integration_tests/run_e2e_tests.sh
+++ b/tools/integration_tests/run_e2e_tests.sh
@@ -257,8 +257,8 @@ function run_e2e_tests_for_hns_bucket(){
    echo "Hns Bucket Created: "$hns_bucket_name
 
    echo "Running tests for HNS bucket"
-   run_non_parallel_tests TEST_DIR_HNS_GROUP "$hns_bucket_name"
-   parallel_tests_hns_group_pid=$?
+   run_parallel_tests TEST_DIR_HNS_GROUP "$hns_bucket_name" &
+   parallel_tests_hns_group_pid=$!
 
    # Wait for all tests to complete.
    wait $parallel_tests_hns_group_pid