public void Secrets_werden_gelesen() {
var sut = new Secrets {
AwsAccessKeyId = "xyz",
AwsSecretAccessKey = "abc"
};
sut.SaveToFile("aws.secrets");
var secrets = Secrets.LoadFromFile("aws.secrets");
Assert.That(secrets.AwsAccessKeyId, Is.EqualTo("xyz"));
Assert.That(secrets.AwsSecretAccessKey, Is.EqualTo("abc"));
}