Add test case to ensure the `SDImageIOAnimatedCoder` abstract class can not be used as normal coder
Add test case to ensure the `SDImageIOAnimatedCoder` abstract class can not be used as normal coder

awkward/SDWebImage,awkward/SDWebImage,tualatrix/SDWebImage,awkward/SDWebImage,rs/SDWebImage,dreampiggy/SDWebImage,dreampiggy/SDWebImage,dreampiggy/SDWebImage