public async Task DeleteConfirmedDeletesIdea()
{
// Get a valid idea out of the db
var idea = await _context.Ideas.FirstOrDefaultAsync();
Assume.That(idea, Is.Not.Null);
await _controller.DeleteConfirmed(idea.Id);
// Fetch the idea back out of the database
var result = await _context.Ideas.SingleOrDefaultAsync(i => i.Id == idea.Id);
Assert.That(result, Is.Null);
}