From bbf822d63ec8ce9e224ad8934507b46b5a9f95a7 Mon Sep 17 00:00:00 2001
From: Sarah Vaupel <sarah.vaupel@ifi.lmu.de>
Date: Tue, 28 Dec 2021 22:19:27 +0100
Subject: [PATCH] test(study-modules): add missing Arbitrary instance

---
 test/ModelSpec.hs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/test/ModelSpec.hs b/test/ModelSpec.hs
index 66b90b480..fb383203c 100644
--- a/test/ModelSpec.hs
+++ b/test/ModelSpec.hs
@@ -198,6 +198,10 @@ instance Arbitrary VerpMode where
   arbitrary = genericArbitrary
   shrink = genericShrink
 
+instance Arbitrary StudyModule where
+  arbitrary = genericArbitrary
+  shrink = genericShrink
+
 
 spec :: Spec
 spec = do