public void ClearCacheClearsExistingAnswersAndCaches()
        {
            var cache = new Cache
            {
                Answers = new List <Answer> {
                    sampleAnswer, anotherAnswer
                }
            };

            repo.Save(cache);
            repo.Commit();
            repo.ClearCache();
            Assert.Equal(0, assertContext.Caches.Count());
            Assert.Equal(0, assertContext.Answers.Count());
            var assertCache = assertContext.Caches.Include(x => x.Answers).FirstOrDefault();

            Assert.Null(assertCache);
        }