Workaround test teardown failure from FileList giving repeat files on Windows.
Workaround test teardown failure from FileList giving repeat files on Windows.

hsbt/rake,pjump/rake,88rabbit/rake,tmornini/rake,ipmobiletech/rake,codedogfish/rake,hsbt/rake,esasse/rake,jaustinhughey/rake,ruby/rake,Vanzct/rake,envato/rake,zzak/rake,envato/rake,askl56/rake,bentley/rake,ruby/rake,mat/rake,mat/rake,taiganakagawa/rake,utilum/rake