function setupRootContainer()
{
// before running tests, delete the TestingEnvironmentVariables file, since it can indirectly mess w/
// phpunit's class loading (if a test class is loaded in bootstrap.php, phpunit can't load it from a file,
// so executing the tests in a file will fail)
$vars = new TestingEnvironmentVariables();
$vars->delete();
Environment::setGlobalEnvironmentManipulator(new TestingEnvironmentManipulator($vars));
$rootTestEnvironment = new \Piwik\Application\Environment(null);
$rootTestEnvironment->init();
}
