@Nested
    @DisplayName("FromReferral Factory Method Tests")
    class FromReferralTests {

        @Test
        @DisplayName("Should create from referral with regular flags")
        void testFromReferralRegular() {
            when(mockReferral.getTtl()).thenReturn(600);
            when(mockReferral.getRFlags()).thenReturn(0);
            when(mockReferral.getNode()).thenReturn("\\server.example.com\\share\\folder");