// Verify authenticator can be instantiated without errors
        SpnegoAuthenticator authenticator = new SpnegoAuthenticator();
        assertNotNull(authenticator);
    }

    @Test
    public void test_spnegoConfigClass() {
        // Verify the inner class is named correctly: SpnegoConfig (not SpengoConfig)
        // This test verifies the typo fix by ensuring the class compiles