In the framework we made some changes to how --context works:

• Set default context to "auto" wp-cli#6255
• Set $pagenow in admin context more accurately based on current command wp-cli#6256

This combination caused the --skip-update-check tests to fail:

The reason for that is core doing add_action( 'load-plugins.php', 'wp_update_plugins' ); and add_action( 'load-themes.php', 'wp_update_themes' );. So the update checks runs all the time on that page.

The easiest solution would be to unhook these two callbacks when --skip-update-check is passed. Probably within CommandWithUpgrade.

The Behat tests could be hardened to verify no HTTP requests are made, e.g.

    When I try `wp plugin list --fields=name,status,update --status=inactive --skip-update-check --debug=http`
    Then STDERR should not contain:
      """
      HTTP POST request to https://api.wordpress.org/plugins/update-check
      """