=== modified file 'mandos-ctl'
--- mandos-ctl	2019-03-06 18:30:45 +0000
+++ mandos-ctl	2019-03-06 18:33:51 +0000
@@ -1140,6 +1140,12 @@
         command = commands[0]
         self.assertIsInstance(command, EnableCmd)
         self.assertEqual(self.options.client, ["foo"])
+    def test_disable(self):
+        commands = self.commands_from_args(["--disable", "foo"])
+        self.assertEqual(len(commands), 1)
+        command = commands[0]
+        self.assertIsInstance(command, DisableCmd)
+        self.assertEqual(self.options.client, ["foo"])