diff --git a/tracetools_analysis/test/tracetools_analysis/test_processor.py b/tracetools_analysis/test/tracetools_analysis/test_processor.py
index 2798f73..818bdad 100644
--- a/tracetools_analysis/test/tracetools_analysis/test_processor.py
+++ b/tracetools_analysis/test/tracetools_analysis/test_processor.py
@@ -159,6 +159,13 @@ class TestProcessor(unittest.TestCase):
         # Passes check
         Processor(EventHandlerWithRequiredEvent()).process([required_mock_event, mock_event])
 
+    def test_get_handler_by_type(self) -> None:
+        handler1 = StubHandler1()
+        handler2 = StubHandler2()
+        processor = Processor(handler1, handler2)
+        result = processor.get_handler_by_type(StubHandler1)
+        self.assertTrue(result is handler1)
+
 
 if __name__ == '__main__':
     unittest.main()