mockReferralData.getExpiration();
            mockReferralData.next();
            mockReferralData.getLink();
        });
    }

    @Test
    @DisplayName("Should get server")
    void testGetServer() {
        // Given
        String server = "testserver";
        when(mockReferralData.getServer()).thenReturn(server);

        // When
        String result = mockReferralData.getServer();

        // Then