public function testEnv()
{
putenv('CUBEX_ENV');
$cubex = new Cubex();
$this->assertEquals('local', $cubex->env());
$cubex->setEnv('rand');
$this->assertEquals('rand', $cubex->env());
$_ENV['CUBEX_ENV'] = 'prod';
$cubex = new Cubex();
$this->assertEquals('prod', $cubex->env());
putenv('CUBEX_ENV=stage');
$cubex = new Cubex();
$this->assertEquals('stage', $cubex->env());
putenv('CUBEX_ENV');
}