public async Task TheDismissShouldBeSaved()
{
//Act
await _controller.AddUserReminderSupression(EmployerAccountId, UserId, TaskType);
//Assert
_mediator.Verify(x => x.SendAsync(It.Is <SaveUserReminderSuppressionFlagCommand>(
flag => flag.EmployerAccountId.Equals(EmployerAccountId) &&
flag.UserId.Equals(UserId) &&
flag.TaskType.Equals(TaskType))));
}