Added test for `operatingSystem.fileSeparator` and fixed test for `operatingSystem.pathSeparator` (#251)
Added test for `operatingSystem.fileSeparator` and fixed test for `operatingSystem.pathSeparator` (#251)

unratito/ceylon.language,lucaswerkmeister/ceylon.language,unratito/ceylon.language,ceylon/ceylon.language,lucaswerkmeister/ceylon.language,jvasileff/ceylon.language,jvasileff/ceylon.language,ceylon/ceylon.language