*/
public void testMultiLevelInheritance() throws Exception {
final String filename = "com/opensymphony/xwork2/config/providers/xwork-test-multilevel.xml";
ConfigurationProvider provider = buildConfigurationProvider(filename);
provider.init(configuration);
provider.loadPackages();
/**
* for this test, we expect the action named, action3, in the namespace, namespace3, to have a single
* ParameterInterceptor. The ParameterInterceptor, param, has been defined far up namespace3's parentage ...
* namespace3 -> namespace2 -> namespace1 -> default