From 474f8e2b690c58827e7d1d44b3fa33975f075e4f Mon Sep 17 00:00:00 2001
From: labkey-tchad <tchad@labkey.com>
Date: Thu, 14 May 2026 08:57:22 -0700
Subject: [PATCH] Fix ClassCastException from ErrorTest

---
 src/org/labkey/test/Runner.java | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/org/labkey/test/Runner.java b/src/org/labkey/test/Runner.java
index 1ed182af35..6c91bb3352 100644
--- a/src/org/labkey/test/Runner.java
+++ b/src/org/labkey/test/Runner.java
@@ -555,7 +555,14 @@ public String describe()
             }
             else if (test.countTestCases() > 0)
             {
-                flattenSuiteInto(suite, (TestSuite) test);
+                if (test instanceof TestSuite)
+                {
+                    flattenSuiteInto(suite, (TestSuite) test);
+                }
+                else
+                {
+                    suite.addTest(test);
+                }
                 foundServerSideTest = true;
             }
         }