Cemen Istomin

Adding yet another interesting example: failing test cases get disappeared from Navigator. When I noticed, decided to make small test and inserted `XCTFail()` call into passing test case. After run,...

Noticed same error in log, but proposed fix was not worked for me. Actually, problem exists because ObjC and Swift internally use different private subclasses of `NSNumber` class cluster. Proper...

## TL; DR This is API misuse. In the `UICollectionViewDataSource.collectionView(_ collection: UICollectionView, cellForItemAt indexPath: IndexPath)` method implementation, the index path you pass to `collection.dequeueReusableCell` when getting the cell should be...