diff --git a/tests/UnitTests/TemplateSource/TagTests/SetFilter/CompileSetfilterTest.php b/tests/UnitTests/TemplateSource/TagTests/SetFilter/CompileSetfilterTest.php
index 21227faa..f0cd25fa 100644
--- a/tests/UnitTests/TemplateSource/TagTests/SetFilter/CompileSetfilterTest.php
+++ b/tests/UnitTests/TemplateSource/TagTests/SetFilter/CompileSetfilterTest.php
@@ -26,10 +26,29 @@ class CompileSetfilterTest extends PHPUnit_Smarty
         $this->cleanDirs();
     }
     /**
-     * @runInSeparateProcess
+     * @run
+     * InSeparateProcess
      * @preserveGlobalState disabled
      */
     public function testNestedSetfilter()
+    {
+        $this->smarty->setCaching(1);
+        $tpl = $this->smarty->createTemplate('string:{$foo}{setfilter htmlspecialchars} {$foo}{$foo nocache}{setfilter escape:"mail"} {$foo}{$foo nocache}{/setfilter} {$foo}{/setfilter} {$foo}');
+        $tpl->assign('foo', '<a@b.c>');
+        $this->assertEquals("<a@b.c> &lt;a@b.c&gt;&lt;a@b.c&gt; <a [AT] b [DOT] c><a [AT] b [DOT] c> &lt;a@b.c&gt; <a@b.c>", $this->smarty->fetch($tpl));
+    }
+    public function testNestedSetfilter1()
+    {
+        $this->smarty->setCaching(1);
+        $tpl = $this->smarty->createTemplate('string:{$foo}{setfilter htmlspecialchars} {$foo}{$foo nocache}{setfilter escape:"mail"} {$foo}{$foo nocache}{/setfilter} {$foo}{/setfilter} {$foo}');
+        $tpl->assign('foo', '<e@f.d>');
+        $this->assertEquals(    }
+"<a@b.c> &lt;a@b.c&gt;&lt;e@f.d&gt; <a [AT] b [DOT] c><e [AT] f [DOT] d> &lt;a@b.c&gt; <a@b.c>", $this->smarty->fetch($tpl));
+    /**
+     * @runInSeparateProcess
+     * @preserveGlobalState disabled
+     */
+    public function testNestedSetfilter2()
     {
         $tpl = $this->smarty->createTemplate('string:{$foo}{setfilter htmlspecialchars} {$foo}{setfilter escape:"mail"} {$foo}{/setfilter} {$foo}{/setfilter} {$foo}');
         $tpl->assign('foo', '<a@b.c>');