}

    @Nested
    @DisplayName("DfsResponse Getter Tests")
    class DfsResponseGetterTests {

        @Test
        @DisplayName("Should return same DfsResponse instance")
        void testGetDfsResponseReturnsSameInstance() {
            DfsReferralResponseBuffer buffer1 = response.getDfsResponse();
            DfsReferralResponseBuffer buffer2 = response.getDfsResponse();

            assertSame(buffer1, buffer2);