assertSame(referralData, unwrapped);
        }

        @Test
        @DisplayName("Should unwrap to DfsReferralDataInternal interface")
        void testUnwrapToDfsReferralDataInternal() {
            DfsReferralDataInternal unwrapped = referralData.unwrap(DfsReferralDataInternal.class);
            assertSame(referralData, unwrapped);
        }

        @Test