diff --git a/test/unit/runner.spec.js b/test/unit/runner.spec.js
index 9da05b2c98..748ace4cd6 100644
--- a/test/unit/runner.spec.js
+++ b/test/unit/runner.spec.js
@@ -472,6 +472,13 @@ describe('Runner', function() {
       runner.emit(EVENT_SUITE_END, suite);
       expect(cleanReferencesStub, 'was not called');
     });
+
+    // karma-mocha is inexplicably doing this with a Hook
+    it('should not throw an exception if something emits EVENT_TEST_END with a non-Test object', function() {
+      expect(function() {
+        runner.emit(EVENT_TEST_END, {});
+      }, 'not to throw');
+    });
   });
 
   describe('.dispose', function() {