public void ClearAllCachesTest()
{
const string prefix = "123123af";
var fk1 = FullKey(prefix, "111");
var fk2 = FullKey(prefix, "222");
var memoryCache = new MemoryCache("sdgkmnsdlkghn");
_objectCacheFactory.Setup(x => x.Create()).Returns(memoryCache).Verifiable();
Assert.AreEqual(0, memoryCache.GetCount());
memoryCache.Add(fk1, new MemoryCacherTests.One(), new CacheItemPolicy());
memoryCache.Add(fk2, new MemoryCacherTests.One(), new CacheItemPolicy());
Assert.AreEqual(2, memoryCache.Count());
new CacheCleaner(_objectCacheFactory.Object).Clean();
Assert.AreEqual(0, memoryCache.GetCount());
}