Fix tests. Add missing SKIPIF. Tested on Windows, Linux and Linux 64

ext/json/tests/001.phpt

@@ -23,8 +23,8 @@ var_dump(json_decode('{ "": { "": "" } }'));
 var_dump(json_decode('{ "": { "": "" }'));
 var_dump(json_decode('{ "": "": "" } }'));
 
-echo "Done\n";
 ?>
+===DONE===
 --EXPECTF--
 Warning: json_decode() expects at least 1 parameter, 0 given in %s on line %d
 NULL
@@ -38,34 +38,34 @@ NULL
 NULL
 NULL
 NULL
-object(stdClass)#1 (1) {
+object(stdClass)#%d (1) {
   ["test"]=>
-  object(stdClass)#2 (1) {
+  object(stdClass)#%d (1) {
     ["foo"]=>
     string(3) "bar"
   }
 }
-object(stdClass)#1 (1) {
+object(stdClass)#%d (1) {
   ["test"]=>
-  object(stdClass)#2 (1) {
+  object(stdClass)#%d (1) {
     ["foo"]=>
     string(0) ""
   }
 }
-object(stdClass)#1 (1) {
+object(stdClass)#%d (1) {
   ["_empty_"]=>
-  object(stdClass)#2 (1) {
+  object(stdClass)#%d (1) {
     ["foo"]=>
     string(0) ""
   }
 }
-object(stdClass)#1 (1) {
+object(stdClass)#%d (1) {
   ["_empty_"]=>
-  object(stdClass)#2 (1) {
+  object(stdClass)#%d (1) {
     ["_empty_"]=>
     string(0) ""
   }
 }
 NULL
 NULL
-Done
+===DONE===

ext/json/tests/bug46215.phpt

@@ -1,5 +1,11 @@
 --TEST--
 Bug #46215 (json_encode mutates its parameter and has some class-specific state)
+--SKIPIF--
+<?php
+if (!extension_loaded("json")) {
+ 	die('skip JSON extension not available in this build');
+}	 
+?>
 --FILE--
 <?php