easyb tests
Merge branch 'master' of github.com:kimpe/OhTu-miniprojekti
Merge branch 'master' of github.com:kimpe/OhTu-miniprojekti
Merge branch 'master' of github.com:kimpe/OhTu-miniprojekti
Merge branch 'master' of github.com:kimpe/OhTu-miniprojekti
added FileOperatorTest