diff --git a/tests/credibility/test_credibility.py b/tests/credibility/test_credibility.py
index 0230d9c..b9d728c 100644
--- a/tests/credibility/test_credibility.py
+++ b/tests/credibility/test_credibility.py
@@ -9,7 +9,7 @@ def test_value_error():
     try:
         credibility.credible_interval(0, 0, prior=(0, 0))
     except ValueError:
-        pass
+        return
     raise Exception("Expected ValueError")