Fixing build.

tests/PHPUnit/DatabaseTestCase.php

@@ -6,6 +6,7 @@
  * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
  */
 use Piwik\Db;
+use Piwik\Tests\Fixture;
 
 /**
  * Tests extending DatabaseTestCase are much slower to run: the setUp will

UI @ 6883fd33

-Subproject commit d47267e4c4cbdb6b7e50da4902368cb0df1e56ea
+Subproject commit 6883fd33a32a4392b81d6e492aa1a78be319629a