assertTrue(type1.getFlags() != 0); // Should have some flags set
    }

    @Test
    @DisplayName("Should create Type 1 message with custom flags")
    void testType1MessageWithFlags() {
        // Given
        int flags =
                NtlmFlags.NTLMSSP_NEGOTIATE_UNICODE | NtlmFlags.NTLMSSP_NEGOTIATE_NTLM | NtlmFlags.NTLMSSP_NEGOTIATE_OEM_DOMAIN_SUPPLIED;

        // When