regress test issu test basic serial xmi file except save fail test save except project project manag manag make project object clazz model core factori build model model manag factori root model object type project manag manag current project type object oper model core factori build oper clazz type model core helper set type model facad paramet oper type file file file test xmi xmi file persist persist xmi file persist pre save persist save file post save 