public function createFromServerSimulatesAuthorizationHeaderIfPHPAuthVariablesArePresent()
{
$server = ['PHP_AUTH_USER' => 'robert', 'PHP_AUTH_PW' => 'mysecretpassword, containing a : colon ;-)'];
$headers = Headers::createFromServer($server);
$expectedValue = 'Basic ' . base64_encode('robert:mysecretpassword, containing a : colon ;-)');
$this->assertEquals($expectedValue, $headers->get('Authorization'));
$this->assertFalse($headers->has('User'));
}