assertSame(response, negotiation.getResponse());
    }

    @Test
    @DisplayName("getRequestRaw should return the same request buffer")
    void testGetRequestRaw() {
        // Verify getRequestRaw returns the exact same array instance
        byte[] requestBuffer = negotiation.getRequestRaw();
        assertSame(testRequestBuffer, requestBuffer);

        // Verify multiple calls return the same instance