public async Task MongoManagerCRUDTest()
        {
            var     id    = Guid.NewGuid();
            var     id2   = Guid.NewGuid();
            Contact found = new Contact();

            Contact ct = new Contact()
            {
                ID       = id,
                Email    = "un imail",
                Name     = "Luis",
                LastName = "Tejeda"
            };

            ct.Address = new Address()
            {
                Street         = "Camino",
                ExternalNumber = "5150",
                InternalNumber = "803A",
                Location       = ""
            };

            Contact ct2 = new Contact()
            {
                ID       = id2,
                Email    = "un imail",
                Name     = "Alfredo",
                LastName = "Tejeda"
            };

            ct.Address = new Address()
            {
                Street         = "Camino",
                ExternalNumber = "5150",
                InternalNumber = "803A",
                Location       = ""
            };

            CRMDatabaseSettings settings = new CRMDatabaseSettings()
            {
                ConnectionString = "mongodb://127.0.0.1:27017",
                DatabaseName     = "CRM"
            };

            MongoManager <Contact> mgr = new MongoManager <Contact>(settings);
            var ser = JsonConvert.SerializeObject(new List <Contact>()
            {
                ct, ct2
            });
            await mgr.CreateAsync(new List <Contact>() { ct, ct2 }).ContinueWith(p =>
            {
                var contactFoundLoc = mgr.GetByIDAsync(id, "Contact").Result;
                found = contactFoundLoc;
                Assert.NotNull(contactFoundLoc);


                var contactAgainRes = mgr.GetByMongoIDAsync(contactFoundLoc.MongoID, "Contact").Result;
                var contactAgain    = contactAgainRes.FirstOrDefault();


                Assert.NotNull(contactAgain);
            }).ContinueWith(task =>
            {
                found.Name = "updated";
                mgr.UpdateAsync(new List <Contact>()
                {
                    found
                }).Wait();

                var contactFound = mgr.GetByIDAsync(id, "Contact").Result;
                Assert.Equal("updated", contactFound.Name);
                var contactFound2 = mgr.GetByIDAsync(id2, "Contact").Result;
                var res           = mgr.DeleteByIDsAsync(new List <Guid>()
                {
                    contactFound.ID, contactFound2.ID
                }, "Contact").Result;
                var contactFound3 = mgr.GetByIDAsync(id, "Contact").Result;
                var contactFound4 = mgr.GetByIDAsync(id2, "Contact").Result;
            });
        }