public void When_DeregisteringAlgorithm_Expect_NoLongerSearchable()
{
PasswordAlgorithmRepo.RegisterAlgorithm(algorithm);
var myAlgorithm = PasswordAlgorithmRepo.Get(algorithm.AlgorithmId);
Assert.IsNotNull(myAlgorithm);
Assert.AreSame(algorithm, myAlgorithm);
PasswordAlgorithmRepo.DeregisterAlgorithm(algorithm.AlgorithmId);
Assert.Throws <PasswordHashException>(() => PasswordAlgorithmRepo.Get(algorithm.AlgorithmId), $"The given algorithm ID '{algorithm.AlgorithmId}' was not found in the repo.");
Assert.IsFalse(PasswordAlgorithmRepo.Search(algorithm.AlgorithmId, true).Any());
}
