Add integration test for landscape status

features/landscape.feature

@@ -332,3 +332,20 @@ Feature: Enable landscape on Ubuntu
     Examples: ubuntu release
       | release | machine_type  |
       | jammy   | lxd-container |
+
+  Scenario Outline: Landscape inapplicable on unsupported release
+    Given a `<release>` `<machine_type>` machine with ubuntu-advantage-tools installed
+    When I attach `contract_token` with sudo and options `--no-auto-enable`
+    When I verify that running `pro enable landscape` `with sudo` exits `1`
+    Then I will see the following on stdout:
+      """
+      One moment, checking your subscription first
+      Landscape cannot be enabled via Pro Client on Ubuntu 22.04 and earlier.
+      Please manually install Landscape: https://ubuntu.com/landscape/install
+      Could not enable Landscape.
+      """
+
+    Examples: ubuntu release
+      | release | machine_type  |
+      | xenial  | lxd-container |
+      | jammy   | lxd-container |