public void testPrepara() throws Exception {
DBCentro dbCentro = new DBCentro();
dbCentro.preparaDb();
DBCredentials dbCredentials = new DBCredentials();
dbCredentials.preparaDb();
DBAdmin dbAdmin = new DBAdmin();
dbAdmin.preparaDb();
_reqMock = new MockHttpServletRequest("GET", "/ricercheAdmin.admin?action=prepara");
ModelAndView mav = _controller.prepara(_reqMock, _resMock);