Skip the mime type tests if the fileinfo extension isn't installed ((theoretically) don't really need this on the travis-ci tests and it saves setting up an env with the fileinfo extension for each php version)
Skip the mime type tests if the fileinfo extension isn't installed
((theoretically) don't really need this on the travis-ci tests and it saves setting up an env with the fileinfo extension for each php version)

turtledesign/royalmail-php,turtledesign/royalmail-php