public async Task TestPostRevokeCollaboratorAsync()
{
userProvider.Setup(x => x.GetBusinessUser(It.IsAny <IWebApiUser>())).Returns(new Business.Service.User(1));
var response = await controller.PostRevokeCollaboratorAsync(new ProgramCollaboratorBindingModel());
authorizationHandler.Verify(x => x.HandleRevokedPermissionBindingModelAsync(It.IsAny <IRevokedPermissionBindingModel>(), It.IsAny <ApiController>()), Times.Once());
}
