void testGetTtl() {
            assertEquals(0, referralData.getTtl());
        }

        @Test
        @DisplayName("Should get resolveHashes")
        void testIsResolveHashes() {
            assertFalse(referralData.isResolveHashes());
        }

        @Test
        @DisplayName("Should get and set intermediate flag")
        void testIntermediate() {

            assertDoesNotThrow(() -> concreteImplementation.replaceCache());
        }

        @Test
        @DisplayName("Should check if resolve hashes")
        void testIsResolveHashes() {
            // Test with mock
            when(mockReferralData.isResolveHashes()).thenReturn(true);
            assertTrue(mockReferralData.isResolveHashes());