assertTrue((oemType1.getFlags() & NtlmFlags.NTLMSSP_NEGOTIATE_UNICODE) != 0);
    }

    @Test
    @DisplayName("Should handle Unicode negotiation with OEM configuration")
    void testUnicodeNegotiationWithOEMConfig() {
        // Given - Configure context to use OEM encoding
        when(mockConfig.isUseUnicode()).thenReturn(false);
        int unicodeFlags = NtlmFlags.NTLMSSP_NEGOTIATE_UNICODE;