Make ReflectionExtension_getClassNames_basic.phpt more robust against the addition of new classes

Author: TimWolla

ext/reflection/tests/ReflectionExtension_getClassNames_basic.phpt

@@ -5,18 +5,16 @@ Felix De Vliegher <felix.devliegher@gmail.com>
 --FILE--
 <?php
 $standard = new ReflectionExtension('standard');
-var_dump($standard->getClassNames());
+$classNames = $standard->getClassNames();
+sort($classNames);
+foreach ($classNames as $className) {
+    echo $className, PHP_EOL;
+}
 ?>
 --EXPECT--
-array(5) {
-  [0]=>
-  string(22) "__PHP_Incomplete_Class"
-  [1]=>
-  string(14) "AssertionError"
-  [2]=>
-  string(15) "php_user_filter"
-  [3]=>
-  string(12) "StreamBucket"
-  [4]=>
-  string(9) "Directory"
-}
+AssertionError
+Directory
+RoundingMode
+StreamBucket
+__PHP_Incomplete_Class
+php_user_filter