@Test
public void testAddConfig() {

    configManager.addConfig(new ApplicationConfig());
    configManager.addConfig(new ProviderConfig());
    configManager.addConfig(new ProtocolConfig());
    assertTrue(configManager.getApplication().isPresent());
    assertFalse(configManager.getProviders().isEmpty());
    assertFalse(configManager.getProtocols().isEmpty());
}