AWSSDK_DotNet.IntegrationTests.Tests.S3.BucketRegionTests.NoCredentialsOnContext C# (CSharp) Method

        public void NoCredentialsOnContext()
        {
            var request = new AssumeRoleRequest()
            {
                DurationSeconds = 0 // invalid value for DurationSeconds - credentials will be null when retrying request
            };
            var credentials = new STSAssumeRoleAWSCredentials(new AmazonSecurityTokenServiceClient(), request);
            var s3Client = new AmazonS3Client(credentials);
            AssertExtensions.ExpectException(() => { s3Client.ListBuckets(); }, typeof(AmazonSecurityTokenServiceException), new Regex("3 validation errors detected"));
        }