A convenience class for creating a Workspace object with the appropriate fields for creating a workspace.
        private static long CreateWorkspace(SmartsheetClient smartsheet)
        {
            Workspace workspace = new Workspace.CreateWorkspaceBuilder("workspace").Build();

            Workspace createdWorkspace = smartsheet.WorkspaceResources.CreateWorkspace(workspace);
            Assert.IsTrue(createdWorkspace.Name == "workspace");
            return createdWorkspace.Id.Value;
        }