diff --git a/selfdrive/test/loop_until_fail.sh b/selfdrive/test/loop_until_fail.sh
new file mode 100755
index 0000000000..b73009dba6
--- /dev/null
+++ b/selfdrive/test/loop_until_fail.sh
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+set -e
+
+# Loop something forever until it fails, for verifying new tests
+
+while true; do
+  $@
+done