diff --git a/tests/foo/1.0/IFoo.hal b/tests/foo/1.0/IFoo.hal
index 76aefcf..a43b883 100644
--- a/tests/foo/1.0/IFoo.hal
+++ b/tests/foo/1.0/IFoo.hal
@@ -38,6 +38,7 @@
         V1 = 1 << 1,
         V2 = 1 << 2,
         V3 = 1 << 3,
+        VALL = V0 | V1 | V2 | V3,
     };
 
     struct Fumble {