assertEquals("user", auth.getUsername());
        assertEquals("password", auth.getPassword());
    }

    // Test constructor with user info string without domain
    @Test
    void testConstructorWithUserInfoNoDomain() {
        NtlmPasswordAuthentication auth = new NtlmPasswordAuthentication("user:password");
        assertNotNull(auth.getDomain()); // Should fall back to default
        assertEquals("user", auth.getUsername());