update patch feature tests

Author: petitphp

features/cache.feature

@@ -211,15 +211,15 @@ Feature: Managed the WordPress object cache
     When I run `wp cache supports set_multiple`
     Then the return code should be 0
 
-  Scenario: Nested values can be retrieved at any depth.
+  Scenario: Nested values from cache can be retrieved at any depth.
     Given a WP install
     And a wp-content/mu-plugins/test-harness.php file:
       """
       <?php
       $set_foo = function(){
         wp_cache_set( 'my_key', ['foo' => 'bar'] );
         wp_cache_set( 'my_key_2', ['foo' => ['bar' => 'baz']] );
-        wp_cache_set( 'my_key_custom', ['foo_custom' => ['bar_custom' => 'baz_custom']], 'my_custom_group' );
+        wp_cache_set( 'my_key_3', ['foo' => 'bar_custom'], 'my_custom_group' );
       };
 
       WP_CLI::add_hook( 'before_invoke:cache pluck', $set_foo );
@@ -237,8 +237,8 @@ Feature: Managed the WordPress object cache
       baz
       """
 
-    When I try `wp cache pluck my_key_custom foo_custom bar_custom --group=my_custom_group`
+    When I try `wp cache pluck my_key_3 foo --group=my_custom_group`
     Then STDOUT should be:
       """
-      baz_custom
+      bar_custom
       """