public void MediaServicesCredentialsPassingAcsEndPoint()
{
var context1 = WindowsAzureMediaServicesTestConfiguration.CreateCloudMediaContext();
string account = WindowsAzureMediaServicesTestConfiguration.MediaServiceAccountName;
string key = WindowsAzureMediaServicesTestConfiguration.MediaServiceAccountKey;
MediaServicesCredentials credentials = new MediaServicesCredentials(account, key,WindowsAzureMediaServicesTestConfiguration.MediaServicesAccessScope,WindowsAzureMediaServicesTestConfiguration.MediaServicesAcsBaseAddress);
Assert.IsNull(credentials.AccessToken);
Assert.IsTrue(credentials.TokenExpiration < DateTime.UtcNow);
credentials.RefreshToken();
Assert.IsNotNull(credentials.AccessToken);
Assert.IsTrue(credentials.AccessToken.Length > 0);
Assert.IsTrue(credentials.TokenExpiration > DateTime.UtcNow);
}