public void should_return_NotFoundDirectoryContents_Singleton(string input)
        {
            var contents = _sut.GetDirectoryContents(input);

            contents.Should().BeSameAs(NotFoundDirectoryContents.Singleton);
            contents.Exists.Should().BeFalse();
        }
        public void should_return_NotFoundDirectoryContents_Singleton()
        {
            var contents = _sut.GetDirectoryContents("i_dont_exist");

            contents.Should().BeSameAs(NotFoundDirectoryContents.Singleton);
            contents.Exists.Should().BeFalse();
        }
 public void should_return_instance_of_AksKeyVaultSecretDirectoryContents()
 {
     var contents = _sut.GetDirectoryContents(_subDirectoryName);
     contents.Should().BeOfType<AksKeyVaultSecretDirectoryContents>();
     contents.Exists.Should().BeTrue();
 }