fix these tests

tests/classes/bug24399.phpt

@@ -1,7 +1,5 @@
 --TEST--
 Bug #24399: is_subclass_of() crashes when parent class doesn't exist.
---SKIPIF--
-<?php if (version_compare(zend_version(), '2.0.0-dev', '<')) die('skip ZendEngine 2 needed'); ?>
 --FILE--
 <?php
 class dooh {

tests/classes/factory_and_singleton_002.phpt

@@ -19,7 +19,7 @@ class test {
     }
   }
 
-  protected function __construct($x) {
+  function __construct($x) {
     test::$cnt++;
     $this->x = $x;
   }
@@ -28,7 +28,7 @@ class test {
     test::$test = NULL;
   }
 
-  protected function __destruct() {
+  function __destruct() {
   	test::$cnt--;
   }
 

tests/classes/factory_and_singleton_005.phpt

@@ -16,4 +16,5 @@ $obj = NULL;
 echo "Done\n";
 ?>
 --EXPECTF--
-Fatal error: Call to protected destructor from context '' %sfactory_and_singleton_005.php on line %d
+Warning: Call to protected destructor from context '' in %sfactory_and_singleton_005.php on line %d
+Done

tests/classes/factory_and_singleton_006.phpt

@@ -16,4 +16,5 @@ $obj = NULL;
 echo "Done\n";
 ?>
 --EXPECTF--
-Fatal error: Call to private destructor from context '' %sfactory_and_singleton_006.php on line %d
+Warning: Call to private destructor from context '' in %sfactory_and_singleton_006.php on line %d
+Done