diff --git a/lib/Cake/Test/Case/Model/Datasource/DboSourceTest.php b/lib/Cake/Test/Case/Model/Datasource/DboSourceTest.php
index bb10756ed..802cefc08 100644
--- a/lib/Cake/Test/Case/Model/Datasource/DboSourceTest.php
+++ b/lib/Cake/Test/Case/Model/Datasource/DboSourceTest.php
@@ -1425,10 +1425,10 @@ class DboSourceTest extends CakeTestCase {
 		$db->nestedSupport = true;
 
 		$conn->expects($this->at(0))->method('beginTransaction')->will($this->returnValue(true));
-		$conn->expects($this->at(1))->method('exec')->with($this->equalTo('SAVEPOINT LEVEL1'))->will($this->returnValue(true));
-		$conn->expects($this->at(2))->method('exec')->with($this->equalTo('RELEASE SAVEPOINT LEVEL1'))->will($this->returnValue(true));
-		$conn->expects($this->at(3))->method('exec')->with($this->equalTo('SAVEPOINT LEVEL1'))->will($this->returnValue(true));
-		$conn->expects($this->at(4))->method('exec')->with($this->equalTo('ROLLBACK TO SAVEPOINT LEVEL1'))->will($this->returnValue(true));
+		$conn->expects($this->at(1))->method('exec')->with($this->equalTo('SAVEPOINT LEVEL1'))->will($this->returnValue(0));
+		$conn->expects($this->at(2))->method('exec')->with($this->equalTo('RELEASE SAVEPOINT LEVEL1'))->will($this->returnValue(0));
+		$conn->expects($this->at(3))->method('exec')->with($this->equalTo('SAVEPOINT LEVEL1'))->will($this->returnValue(0));
+		$conn->expects($this->at(4))->method('exec')->with($this->equalTo('ROLLBACK TO SAVEPOINT LEVEL1'))->will($this->returnValue(0));
 		$conn->expects($this->at(5))->method('commit')->will($this->returnValue(true));
 
 		$this->_runTransactions($db);