public final void testCheckOriginal() {
RootModuleDefinition parentSpec1 = ModificationTestUtils.spec("app-context1.xml", "plugin1, plugin2, plugin3");
RootModuleDefinition parentSpec2 = ModificationTestUtils.spec("app-context1.xml", "plugin1, plugin2");
ModuleDefinition plugin2 = parentSpec2.findChildDefinition("plugin2", true);
ModuleDefinition plugin4 = new SimpleModuleDefinition(plugin2, "plugin4");
new SimpleModuleDefinition(plugin4, "plugin5");
new SimpleModuleDefinition(plugin4, "plugin6");
ModificationExtractor calculator = new StrictModificationExtractor();