Feature: Manage maintenance mode of WordPress install. Background: Given a WP install Scenario: Manage maintenance mode. When I run `wp maintenance-mode status` Then STDOUT should be: """ Maintenance mode is not active. """ When I run `wp maintenance-mode activate` Then STDOUT should be: """ Enabling Maintenance mode... Success: Activated Maintenance mode. """ When I run `wp maintenance-mode is-active` Then the return code should be 0 When I run `wp maintenance-mode status` Then STDOUT should be: """ Maintenance mode is active. """ When I try `wp maintenance-mode activate` Then STDERR should be: """ Error: Maintenance mode already activated. """ When I run `wp maintenance-mode activate --force` Then STDOUT should be: """ Enabling Maintenance mode... Success: Activated Maintenance mode. """ When I run `wp maintenance-mode deactivate` Then STDOUT should be: """ Disabling Maintenance mode... Success: Deactivated Maintenance mode. """ When I try `wp maintenance-mode is-active` Then the return code should be 1 When I try `wp maintenance-mode deactivate` Then STDERR should be: """ Error: Maintenance mode already deactivated. """ When I run `wp maintenance-mode activate` Then STDOUT should be: """ Enabling Maintenance mode... Success: Activated Maintenance mode. """ Scenario: Check maintenance mode status when expression is used. When I run `wp eval "file_put_contents('.maintenance', '