1 files changed, 7 insertions, 0 deletions
diff --git a/setup.py b/setup.py
index 3b06249..108841a 100644
--- a/setup.py
+++ b/setup.py
@@ -65,6 +65,13 @@ class Check(Command):
         subprocess.check_call(['./cmdtest', 'echo-tests'])
         subprocess.check_call(['./cmdtest', 'sort-tests'])
 
+        try:
+            subprocess.check_call(['./cmdtest', 'fail-tests'])
+        except subprocess.CalledProcessError:
+            pass
+        else:
+            raise Exception('fail-tests did not fail, which is a surprise')
+
 
 setup(name='cmdtest',
       version=cmdtestlib.__version__,