public function testNewInstance()
{
$builder = new ContainerBuilder();
$preset_service = (object) array('irk' => 'doom');
$services = array('preset_service' => $preset_service);
$config_classes = array('Aura\\Di\\FakeLibraryConfig', 'Aura\\Di\\FakeProjectConfig');
$di = $builder->newInstance($services, $config_classes);
$this->assertInstanceOf('Aura\\Di\\Container', $di);
$this->assertSame($preset_service, $di->get('preset_service'));
$expect = 'zim';
$actual = $di->get('library_service');
$this->assertSame($expect, $actual->foo);
$expect = 'gir';
$actual = $di->get('project_service');
$this->assertSame($expect, $actual->baz);
}