Do not call setTestEnvironment in proxy/piwik.php, TestingEnvironment handles that.

f3fd9d7c · diosmosis · cae443f9 · f3fd9d7c
--- a/tests/PHPUnit/proxy/piwik.php
+++ b/tests/PHPUnit/proxy/piwik.php
@@ -23,8 +23,6 @@ ob_start();
 Piwik_TestingEnvironment::addHooks();
-Config::getInstance()->setTestEnvironment();
 try {
    $trackerPlugins = Config::getInstance()->Plugins_Tracker['Plugins_Tracker'];
 }catch(Exception $e) {