Wrist loop test case now runs and fails.
diff --git a/aos/common/control_loop/control_loops.q b/aos/common/control_loop/control_loops.q
index 5ba30ec..823005e 100644
--- a/aos/common/control_loop/control_loops.q
+++ b/aos/common/control_loop/control_loops.q
@@ -20,7 +20,7 @@
 };
 
 message Output {
-  double pwm;
+  double voltage;
 };
 
 message Status {