[add]  jinja tests: added tests for filesystem: fs_file, fs_dir, fs_link
[add]  jinja tests: added tests for filesystem: fs_file, fs_dir, fs_link

ianstalk/Flexget,crawln45/Flexget,malkavi/Flexget,crawln45/Flexget,Flexget/Flexget,gazpachoking/Flexget,JorisDeRieck/Flexget,malkavi/Flexget,Flexget/Flexget,JorisDeRieck/Flexget,JorisDeRieck/Flexget,Flexget/Flexget,Flexget/Flexget,JorisDeRieck/Flexget,malkavi/Flexget,malkavi/Flexget,ianstalk/Flexget,crawln45/Flexget,gazpachoking/Flexget,ianstalk/Flexget,crawln45/Flexget