assertThrows(CIFSException.class, () -> sidResolver.getGroupMemberSids(mockContext, testServerName, mockDomainSid, -1, 0));
    }

    // Test getServerSid
    @Test
    void testGetServerSid_Success() throws CIFSException {
        when(sidResolver.getServerSid(any(CIFSContext.class), anyString())).thenReturn(mockSid1);

        SID result = sidResolver.getServerSid(mockContext, testServerName);