test load xmi file bad extern refer href except load project fail test load bad href except filenam testmodel uml href test xmi url url test zargo file persist resourc filenam unintend failur resourc test filenam convert url url url url file xmi file persist persist xmi file persist project project project manag manag make project project manag manag set current project project persist load file fail expect except thrown open except success expect except caus xmi refer except xmi refer except xre xmi refer except caus xre refer contain bad refer fail unexpect except caus project manag manag remov project project 