ensure iCal library autoload in tests

library/ZendAfi/Controller/Action/Helper/RenderIcal.php

@@ -46,7 +46,7 @@ class ZendAfi_Controller_Action_Helper_RenderIcal
 
 
   protected function _render($articles=[]) {
-    $this->_ensureAutoload();
+    static::ensureAutoload();
 
     $vCalendar = new \Eluceo\iCal\Component\Calendar(static::PRODID);
 
@@ -68,7 +68,7 @@ class ZendAfi_Controller_Action_Helper_RenderIcal
   }
 
 
-  protected function _ensureAutoload() {
+  public static function ensureAutoload() {
     if (static::$_autoloaded)
       return;
 

tests/bootstrap.php

@@ -61,6 +61,8 @@ $_SERVER['HTTP_HOST'] = 'localhost';
 
 setupOpac();
 
+ZendAfi_Controller_Action_Helper_RenderIcal::ensureAutoload();
+
 (new Storm_Cache())->getCache()->setOption('caching', true);
 
 $db_cache = Zend_Cache::factory('Core',