diff --git a/.github/actions/test-template/action.yml b/.github/actions/test-template/action.yml
index 93ca3ab9c..4667dc366 100644
--- a/.github/actions/test-template/action.yml
+++ b/.github/actions/test-template/action.yml
@@ -23,7 +23,7 @@ inputs:
     description: "Test script to execute"
     required: true
   is_optional:
-    description: "Failure will cancel all other tests if set to true"
+    description: "Failure is ignored and other tests continue if set to true"
     required: false
     default: "false"
   is_unit_test:
diff --git a/unit_tests/github_actions/test_optional_description.py b/unit_tests/github_actions/test_optional_description.py
new file mode 100644
index 000000000..b99a85c18
--- /dev/null
+++ b/unit_tests/github_actions/test_optional_description.py
@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+"""Regression test: is_optional description matches behavior."""
+
+import sys
+
+
+def main():
+    with open(".github/actions/test-template/action.yml") as f:
+        content = f.read()
+
+    if "Failure will cancel all other tests if set to true" in content:
+        print("BUG: is_optional description inverts the actual behavior")
+        sys.exit(1)
+
+    if "is_optional:" not in content or "description:" not in content:
+        print("Could not find is_optional input description")
+        sys.exit(1)
+
+    print("OK")
+
+