Update SDWebImageManagerTests.m
Update SDWebImageManagerTests.m

Using my cat for the test
odyth/SDWebImage,iosnatarajan/SDWebImage,Insfgg99x/SDWebImage,iheartradio/SDWebImage,klundberg/SDWebImage,tualatrix/SDWebImage,Kekanto/SDWebImage,altrooz/SDWebImage,smule/SDWebImage,ruaho/SDWebImage,dreampiggy/SDWebImage,awkward/SDWebImage,dreampiggy/SDWebImage,rs/SDWebImage,buleSky111/SDWebImage,dreampiggy/SDWebImage,awkward/SDWebImage,zhang-yawei/SDWebImage,geoffmacd/SDWebImage,cochat/SDWebImage,amyhametov/SDWebImage,dpettigrew/SDWebImage,Frntbac/SDWebImage,awkward/SDWebImage