--- a/tests/test-releasenotes-formatting.t	Sat Aug 26 16:00:07 2017 -0700
+++ b/tests/test-releasenotes-formatting.t	Mon Aug 28 04:11:58 2017 +0530
@@ -407,3 +407,16 @@
   $ hg releasenotes -r . -c
   Invalid admonition 'fixes' present in changeset 0e7130d2705c
   (did you mean fix?)
+
+  $ cd ..
+
+Usage of --list flag
+
+  $ hg init relnotes-list
+  $ cd relnotes-list
+  $ hg releasenotes -l
+  feature: New Features
+  bc: Backwards Compatibility Changes
+  fix: Bug Fixes
+  perf: Performance Improvements
+  api: API Changes