--- a/tests/test-topic.t	Mon Aug 28 17:15:08 2017 +0200
+++ b/tests/test-topic.t	Mon Aug 28 17:35:44 2017 +0200
@@ -82,6 +82,9 @@
   $ hg topics --current --clear
   abort: cannot use --current and --clear
   [255]
+  $ hg topics --clear somerandomtopic
+  abort: cannot use --clear when setting a topic
+  [255]
 
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