private TypeReaderRegistry typeReaderRegistry;
protected void setUp() throws Exception {
super.setUp();
this.typeReaderRegistry = TypeReaderRegistryFactory.getTypeReaderRegistry();
StandaloneModuleLocationResolver resolver = new StandaloneModuleLocationResolver();
String[] moduleNames = new String[] { "impala-core", "sample-module4", "sample-module5"};
InternalModuleDefinitionSource moduleDefinitionSource = new InternalModuleDefinitionSource(
typeReaderRegistry, resolver, moduleNames, true);
moduleDefinitionSource.inspectModules();
children = moduleDefinitionSource.getChildren();