@Test
public void testLoadRegistries() throws Exception {

    System.setProperty("dubbo.registry.address", "addr1");
    InterfaceConfig interfaceConfig = new InterfaceConfig();
    List<URL> urls = interfaceConfig.loadRegistries(true);
    TestCase.assertEquals(1, urls.size());
    URL url = urls.get(0);
    TestCase.assertEquals("registry", url.getProtocol());
    TestCase.assertEquals("addr1:9090", url.getAddress());
    TestCase.assertEquals(RegistryService.class.getName(), url.getPath());
    TestCase.assertTrue(url.getParameters().containsKey("timestamp"));
    TestCase.assertTrue(url.getParameters().containsKey("pid"));
    TestCase.assertTrue(url.getParameters().containsKey("registry"));
    TestCase.assertTrue(url.getParameters().containsKey("dubbo"));
}