diff --git a/tests/HTMLPurifier/ConfigSchema/Validator/directive/typeExists.vtest b/tests/HTMLPurifier/ConfigSchema/Validator/directive/typeExists.vtest
index 4ab86a6c..17e8a8e3 100644
--- a/tests/HTMLPurifier/ConfigSchema/Validator/directive/typeExists.vtest
+++ b/tests/HTMLPurifier/ConfigSchema/Validator/directive/typeExists.vtest
@@ -1,4 +1,4 @@
-ERROR: Invalid type 'foobar' in TYPE/DEFAULT in directive hash 'Ns.Dir'
+ERROR: Invalid type 'foobar' in DEFAULT in directive hash 'Ns.Dir'
 ----
 Ns
 DESCRIPTION: Namespace
diff --git a/tests/common.php b/tests/common.php
index 85f2dc70..a95a1fab 100644
--- a/tests/common.php
+++ b/tests/common.php
@@ -37,11 +37,11 @@ if (file_exists('../conf/test-settings.php')) include '../conf/test-settings.php
 if (file_exists('../test-settings.php')) include '../test-settings.php';
 
 // load SimpleTest
-require $simpletest_location . 'unit_tester.php';
-require $simpletest_location . 'reporter.php';
-require $simpletest_location . 'mock_objects.php';
-require $simpletest_location . 'xml.php';
-require $simpletest_location . 'remote.php';
+require_once $simpletest_location . 'unit_tester.php';
+require_once $simpletest_location . 'reporter.php';
+require_once $simpletest_location . 'mock_objects.php';
+require_once $simpletest_location . 'xml.php';
+require_once $simpletest_location . 'remote.php';
 
 // load CSS Tidy
 if ($csstidy_location !== false) {