public void User_SetUserKeyPair()
        {
            // ARRANGE
            IRequestBuilder builder  = new DracoonRequestBuilder(FactoryClients.OAuthMock);
            IRestRequest    expected = FactoryClients.RequestBuilderMock.SetUserKeyPair(FactoryUser.ApiUserKeyPair);

            // ACT
            IRestRequest actual = builder.SetUserKeyPair(FactoryUser.ApiUserKeyPair);

            // ASSERT
            Assert.Equal(expected, actual, new RestRequestComparer());
        }