public ClickWrapServiceTests()
        {
            var docuSignApiProvider = new Mock <IDocuSignApiProvider>();

            _restClient = new Mock <IRestClient>();

            docuSignApiProvider
            .SetupGet(c => c.DocuSignClickApiRestClient)
            .Returns(_restClient.Object);

            _sut = new ClickWrapService(docuSignApiProvider.Object);
        }