Index: tests/phpunit/tests/media.php
===================================================================
--- tests/phpunit/tests/media.php	(revision 41340)
+++ tests/phpunit/tests/media.php	(working copy)
@@ -20,6 +20,11 @@
 		$GLOBALS['_wp_additional_image_sizes'] = self::$_sizes;
 	}
 
+	public static function tearDownAfterClass() {
+		wp_delete_post( self::$large_id, true );
+		parent::tearDownAfterClass();
+	}
+
 	function setUp() {
 		parent::setUp();
 		$this->caption = 'A simple caption.';