public void TestWithAWSCredentialsValidAndInvalidInputs()
{
QldbDriver driver;
AWSCredentials credentials = new BasicAWSCredentials("accessKey", "secretKey");
// Null credentials
driver = builder.WithAWSCredentials(null).Build();
Assert.IsNotNull(driver);
driver = builder.WithAWSCredentials(credentials).Build();
Assert.IsNotNull(driver);
}