Add test

Author: swissspidy

features/plugin-auto-updates-status.feature

@@ -114,3 +114,10 @@ Feature: Show the status of auto-updates for WordPress plugins
       hello,disabled
       duplicate-post,disabled
       """
+
+  @require-wp-5.5
+  Scenario: Handle malformed option value
+    When I run `wp option update auto_update_plugins ""`
+    When I try `wp plugin auto-updates status hello`
+    Then the return code should be 0
+    And STDERR should be empty