protected function setUp()
 {
     $this->existing_array = array(any_string(), any_string(), any_string());
     $this->items_to_add = array(any_string(), any_string(), any_string());
     $this->wp_array_util = WP_Array_Util::get_instance();
 }
 /**
  * Initializes view.
  *
  * @param $columns array Existing post type columns.
  * @return mixed Modified post type columns
  */
 public function __initialize($columns)
 {
     $wp_array_util = WP_Array_Util::get_instance();
     $custom_columns = array('recipe_id' => 'Id');
     return $wp_array_util->add_items_at_index($columns, $custom_columns, 2);
 }