assertNotNull(response);
        assertTrue(response instanceof Smb2NegotiateResponse);
    }

    @Test
    @DisplayName("Should calculate size correctly without contexts")
    void testSizeWithoutContexts() {
        // Given
        when(mockConfig.getMaximumVersion()).thenReturn(DialectVersion.SMB302);
        request = new Smb2NegotiateRequest(mockConfig, 0);

        // When