Add session object deserialization test

ext/session/tests/003.phpt

@@ -0,0 +1,33 @@
+--TEST--
+Session Object Deserialization
+--FILE--
+<?
+
+class foo {
+	var $bar = "ok";
+	function method() { $this->yes++; }
+}
+
+session_id("test");
+session_start();
+session_decode('baz|O:3:"foo":2:{s:3:"bar";s:2:"ok";s:3:"yes";i:1;}arr|a:1:{i:3;O:3:"foo":2:{s:3:"bar";s:2:"ok";s:3:"yes";i:1;}}');
+
+var_dump($baz);
+var_dump($arr);
+session_destroy();
+--EXPECT--
+object(foo)(2) {
+  ["bar"]=>
+  string(2) "ok"
+  ["yes"]=>
+  int(1)
+}
+array(1) {
+  [3]=>
+  object(foo)(2) {
+    ["bar"]=>
+    string(2) "ok"
+    ["yes"]=>
+    int(1)
+  }
+}