Added file upload, file save, editor and delete tests
Added file upload, file save, editor and delete tests

mereckaj/PML-IDE,mereckaj/PML-IDE,mereckaj/CS4098-Group-E,mereckaj/CS4098-Group-E,mereckaj/CS4098-Group-E,mereckaj/PML-IDE,mereckaj/CS4098-Group-E,mereckaj/PML-IDE