public async Task Should_remove_token()
        {
            // given
            string email1       = "*****@*****.**";
            string refreshToken = "token stuart 1";

            UserRefreshTokenRepository repository = CreateRepository();
            await repository.AddRefreshToken("jwt1", refreshToken, email1, "ip1");

            // when
            await repository.DeleteRefreshToken(refreshToken);

            // then
            UserRefreshToken deletedToken = await repository.GetRefreshToken(refreshToken);

            deletedToken.ShouldBeNull();
        }