refs #3704 #3706 r7790 restore Piwik_PDFReports_API

git-svn-id: http://dev.piwik.org/svn/trunk@7820 59fd770c-687e-43c8-a1e3-f5a4ff64c105

tests/PHPUnit/Plugins/PDFReportsTest.php

@@ -380,6 +380,9 @@ class PDFReportsTest extends DatabaseTestCase
 		$tasks = array();
 		$pdfReportPlugin->getScheduledTasks(new Piwik_Event_Notification($tasks, 'fakeEvent'));
 		$this->assertEquals($expectedTasks, $tasks);
+
+		// restore Piwik_PDFReports_API
+		$stubbedPDFReportsAPIClass->setValue(null);
 	}
 
 	private function assertReportsEqual($report, $data)