update columns again after loading all the plugins, maybe this makes the tests work again?

tests/PHPUnit/Fixture.php

@@ -179,8 +179,6 @@ class Fixture extends PHPUnit_Framework_Assert
 
         static::loadAllPlugins($this->getTestEnvironment(), $this->testCaseClass);
 
-        ColumnsUpdates::update();
-
         $_GET = $_REQUEST = array();
         $_SERVER['HTTP_REFERER'] = '';
 
@@ -304,6 +302,8 @@ class Fixture extends PHPUnit_Framework_Assert
             Log::info("Plugin loading messages: %s", implode(" --- ", $messages));
         }
 
+        ColumnsUpdates::update();
+
         // Activate them
         foreach($plugins as $name) {
             if (!$pluginsManager->isPluginActivated($name)) {