Make tests PHP 5.3 compatible

_test/cases/inc/html_hilight.test.php

@@ -2,9 +2,7 @@
 
 require_once DOKU_INC.'inc/html.php';
 
-if ( !extension_loaded('runkit') &&
-     !@dl('runkit.dll') &&
-     !@dl('runkit.so' ) ){
+if (!extension_loaded('runkit')) {
     SimpleTestOptions::ignore('html_hilight_test');
     trigger_error('Skipping html_hilight_test - http://www.php.net/runkit required');
 }

_test/cases/inc/parser/xhtml_htmlphp.test.php

@@ -5,9 +5,7 @@ require_once 'parser.inc.php';
 require_once DOKU_INC.'inc/parser/xhtml.php';
 require_once DOKU_INC.'inc/geshi.php';
 
-if ( !extension_loaded('runkit') &&
-     !@dl('runkit.dll') &&
-     !@dl('runkit.so' ) ){
+if (!extension_loaded('runkit')) {
     SimpleTestOptions::ignore('xhtml_htmlphp_test');
     trigger_error('Skipping xhtml_htmlphp_test - http://www.php.net/runkit required');
 }

_test/cases/lib/exe/js_js_compress.test.php

@@ -71,7 +71,7 @@ class js_js_compress_test extends UnitTestCase {
 
     function test_dquotrunaway(){
         $text = 'var foo="Now where does it end';
-        $this->assertEqual(js_compress($text), "$text");
+        $this->assertEqual(js_compress($text), $text);
     }
 
     function test_squot1(){
@@ -81,7 +81,7 @@ class js_js_compress_test extends UnitTestCase {
 
     function test_squotrunaway(){
         $text = "var foo='Now where does it end";
-        $this->assertEqual(js_compress($text), "$text");
+        $this->assertEqual(js_compress($text), $text);
     }
 
     function test_nl1(){

_test/lib/testmanager.php

@@ -7,7 +7,7 @@ define('TEST_GROUPS',realpath(dirname(__FILE__).'/../cases'));
 define('TEST_CASES',realpath(dirname(__FILE__).'/../cases'));
 
 // try to load runkit extension
-if (!extension_loaded('runkit')) {
+if (!extension_loaded('runkit') && function_exists('dl')) {
    if (strtoupper(substr(PHP_OS, 0, 3) == 'WIN')) {
        @dl('php_runkit.dll');
    } else {
@@ -15,7 +15,6 @@ if (!extension_loaded('runkit')) {
    }
 }
 
-
 class TestManager {
     var $_testcase_extension = '.test.php';
     var $_grouptest_extension = '.group.php';