Added comment to unit tests

Author: danopt

tests/unit/plugins/modules/test_cert_info.py

@@ -143,6 +143,7 @@ def test_module_exit_when_path_and_password_correct(self):
             })
             cert_info.main()
 
+    # Tests with passphrase_check mode set to True (default is False)
     def test_module_exit_when_password_wrong_with_passphrase_check(self):
         with self.assertRaises(AnsibleExitJson):
             set_module_args({