@Test(expected = NullPointerException.class)
public void configure_NullConfigsParameter_ThrowsNullPointerException() {

	//configure(Map<String, ?> configs, String saslMechanism, List<AppConfigurationEntry> jaasConfigEntries
	// arrange
	OAuthService oauthService = new OAuthServiceImpl();
	TestOAuthAuthenticateCallbackHandler callbackHandler = new TestOAuthAuthenticateCallbackHandler(
			oauthService
	);
	// act
	callbackHandler.configure(null, null, null);
}