diff --git a/lib/Cake/Test/Case/Utility/DebuggerTest.php b/lib/Cake/Test/Case/Utility/DebuggerTest.php
index 983eaedc7..4e6eba8eb 100644
--- a/lib/Cake/Test/Case/Utility/DebuggerTest.php
+++ b/lib/Cake/Test/Case/Utility/DebuggerTest.php
@@ -165,6 +165,7 @@ class DebuggerTest extends CakeTestCase {
$this->_restoreError = true;
ob_start();
+ Debugger::output('js');
$a = array();
$b = $a[''];
$result = ob_get_clean();
@@ -186,6 +187,7 @@ class DebuggerTest extends CakeTestCase {
'traceLine' => '{:reference} - {:path}, line {:line}'
));
+ Debugger::output('js');
$result = Debugger::trace();
$this->assertMatchesRegularExpression('/' . preg_quote('txmt://open?url=file://', '/') . '(\/|[A-Z]:\\\\)' . '/', $result);