Add test for multi-line if-condition indent

Yeah, that's correct. The parts of the if-statement that are on new lines are double indented to keep them apart from the body of the statement (the next block). The original code is here: https://github.com/jquery/jquery-ui/blob/450d75f912f4161c475f18f9eeb7efd307c02eae/ui/autocomplete.js#L233