From ced5fd32404788703cd768b03b443d73c78dbb0a Mon Sep 17 00:00:00 2001
From: Evangelos Voyiatzis <evoyiatzis@gmail.com>
Date: Thu, 6 Feb 2025 21:22:05 +0200
Subject: [PATCH] Update unit test in improper-umbrella.yaml

---
 unittest/force-styles/tests/improper-umbrella.yaml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/unittest/force-styles/tests/improper-umbrella.yaml b/unittest/force-styles/tests/improper-umbrella.yaml
index ff6822e9d8..604c039c28 100644
--- a/unittest/force-styles/tests/improper-umbrella.yaml
+++ b/unittest/force-styles/tests/improper-umbrella.yaml
@@ -13,7 +13,9 @@ improper_style: umbrella
 improper_coeff: ! |
   1  75.0 120.2
   2  45.0  59.5
-extract: ! ""
+extract: ! |
+  kw 1
+  w0 1
 natoms: 29
 init_energy: 120.51735030260785
 init_stress: ! |2-