Resource source = new URLResource(url);
Project project = injector.getInstance(ProjectLoader.class).loadProject(source);
File outFile = setupTestDirectory("testSave");
saver.saveAs(project, new URLResource(outFile.toURL()));
File rootFile = new File(outFile, "cayenne-PROJECT2.xml");
assertTrue(rootFile.exists());
assertTrue(rootFile.length() > 0);