function testValidWithOAuthClientCredentialsAndAccessToken()
{
$config = new Braintree_Configuration(array('clientId' => 'client_id$development$integration_client_id', 'clientSecret' => 'client_secret$development$integration_client_secret', 'accessToken' => 'access_token$development$integration_merchant_id$integration_access_token'));
$config->assertHasClientCredentials();
$config->assertHasAccessTokenOrKeys();
}