diff --git a/tests/UnitTests/A_Core/Filter/FilterClosure.php b/tests/UnitTests/A_Core/Filter/FilterClosure.php
new file mode 100644
index 00000000..2b642640
--- /dev/null
+++ b/tests/UnitTests/A_Core/Filter/FilterClosure.php
@@ -0,0 +1,14 @@
+<?php
+
+     /**
+     * test registered pre filter closure
+     * @requires PHP 5.3
+     */
+
+        $this->smarty->registerFilter(Smarty::FILTER_PRE, function ($input) {
+            return '{$foo}' . $input;
+        });
+        $tpl = $this->smarty->createTemplate('eval:{" hello world"}');
+        $tpl->assign('foo', 'buh');
+        $this->assertEquals("buh hello world", $this->smarty->fetch($tpl));
+
diff --git a/tests/UnitTests/A_Core/Filter/FilterTest.php b/tests/UnitTests/A_Core/Filter/FilterTest.php
index 00563c47..e3847be1 100644
--- a/tests/UnitTests/A_Core/Filter/FilterTest.php
+++ b/tests/UnitTests/A_Core/Filter/FilterTest.php
@@ -189,21 +189,17 @@ class FilterTest extends PHPUnit_Smarty
      * test registered pre filter closure
      * @requires PHP 5.3
      */
-    /**
+
     public function testRegisteredPreFilterClosure()
     {
        if (version_compare(PHP_VERSION,'5.3','<'))
        {
            $this->markTestSkipped('does not run for PHP 5.2');
+       } else {
+           include 'FilterClosure.php';
        }
-       $this->smarty->registerFilter(Smarty::FILTER_PRE, function ($input) {
-            return '{$foo}' . $input;
-        });
-        $tpl = $this->smarty->createTemplate('eval:{" hello world"}');
-        $tpl->assign('foo', 'buh');
-        $this->assertEquals("buh hello world", $this->smarty->fetch($tpl));
     }
-*/
+
     /**
      * test registered pre filter class
      */
diff --git a/tests/UnitTests/SmartyMethodsTests/RegisterFunction/RegisterFunctionTest.php b/tests/UnitTests/SmartyMethodsTests/RegisterFunction/RegisterFunctionTest.php
index 01fabf3e..8cc828cc 100644
--- a/tests/UnitTests/SmartyMethodsTests/RegisterFunction/RegisterFunctionTest.php
+++ b/tests/UnitTests/SmartyMethodsTests/RegisterFunction/RegisterFunctionTest.php
@@ -155,14 +155,14 @@ class RegisterFunctionTest extends PHPUnit_Smarty
     }
 }
 
-function myfunction($params, &$smarty)
+function myfunction($params, $smarty)
 {
     return "hello world $params[value]";
 }
 
 class myfunctionclass
 {
-    static function execute($params, &$smarty)
+    static function execute($params, $smarty)
     {
         return "hello world $params[value]";
     }