diff --git a/tests/runner_test.py b/tests/runner_test.py
index f203d48..2e3ee71 100644
--- a/tests/runner_test.py
+++ b/tests/runner_test.py
@@ -7,9 +7,9 @@ def test_instances():
         [
             "singularity",
             "run",
-            #"--userns",
-            #"--writable",
-            #"--app",
+            "--userns",
+            "--writable",
+            "--app",
             "test",
             "containers/runner.sif",
         ],