Fix some json recursion test to not expect delayed check

Author: bukka

ext/json/tests/json_encode_recursion_01.phpt

@@ -24,4 +24,3 @@ var_dump(json_encode(new SerializingTest()));
 --EXPECT--
 bool(false)
 string(7) "{"a":1}"
-string(7) "{"a":1}"

ext/json/tests/json_encode_recursion_03.phpt

@@ -25,10 +25,9 @@ var_dump(new SerializingTest());
 
 ?>
 --EXPECT--
-*RECURSION*
 object(SerializingTest)#1 (1) {
   ["result"]=>
-  string(7) "{"a":1}"
+  bool(false)
 }
 string(7) "{"a":1}"
 ---------

ext/json/tests/json_encode_recursion_06.phpt

@@ -38,4 +38,4 @@ var_dump(serialize(new SerializeFirstTest()));
 ?>
 --EXPECT--
 string(68) "{"serialize":"O:19:\"JsonEncodeFirstTest\":1:{s:6:\"result\";i:1;}"}"
-string(194) "O:18:"SerializeFirstTest":1:{s:6:"result";s:142:"{"json":"O:18:\"SerializeFirstTest\":1:{s:6:\"result\";s:62:\"{\"json\":\"O:18:\\\"SerializeFirstTest\\\":1:{s:6:\\\"result\\\";b:0;}\"}\";}"}";}"
+string(113) "O:18:"SerializeFirstTest":1:{s:6:"result";s:62:"{"json":"O:18:\"SerializeFirstTest\":1:{s:6:\"result\";b:0;}"}";}"