1 files changed, 4 insertions, 0 deletions
diff --git a/Omni/Test.py b/Omni/Test.py
index 57270f9..89ef1fa 100644
--- a/Omni/Test.py
+++ b/Omni/Test.py
@@ -9,6 +9,10 @@ import unittest
 TestCase = unittest.TestCase
 
 
+class TestError(Exception):
+    """When the test environment or harness encounters a problem."""
+
+
 def run(area: App.Area, tests: list[typing.Any]) -> None:
     """Run the given tests with loglevel determined by area."""
     Log.setup(logging.DEBUG if area == App.Area.Test else logging.ERROR)