Fix test/CMakeLists.txt when building without visualization
Fix test/CMakeLists.txt when building without visualization

zavataafnan/pcl-truck,3dtof/pcl,stefanbuettner/pcl,jeppewalther/kinfu_segmentation,closerbibi/pcl,nikste/pcl,msalvato/pcl_kinfu_highres,the-glu/pcl,jeppewalther/kinfu_segmentation,ipa-rmb/pcl,MMiknis/pcl,wgapl/pcl,locnx1984/pcl,3dtof/pcl,KevenRing/vlp,chatchavan/pcl,mikhail-matrosov/pcl,Tabjones/pcl,RufaelDev/pcc-mp3dg,LZRS/pcl,fanxiaochen/mypcltest,stefanbuettner/pcl,zhangxaochen/pcl,zhangxaochen/pcl,starius/pcl,cascheberg/pcl,kanster/pcl,nikste/pcl,srbhprajapati/pcl,msalvato/pcl_kinfu_highres,damienjadeduff/pcl,DaikiMaekawa/pcl,jeppewalther/kinfu_segmentation,the-glu/pcl,fanxiaochen/mypcltest,shangwuhencc/pcl,jakobwilm/pcl,nikste/pcl,damienjadeduff/pcl,shivmalhotra/pcl,fskuka/pcl,zhangxaochen/pcl,kanster/pcl,Tabjones/pcl,chenxingzhe/pcl,KevenRing/vlp,starius/pcl,chatchavan/pcl,starius/pcl,shivmalhotra/pcl,zhangxaochen/pcl,drmateo/pcl,pkuhto/pcl,RufaelDev/pcc-mp3dg,shangwuhencc/pcl,wgapl/pcl,msalvato/pcl_kinfu_highres,KevenRing/pcl,DaikiMaekawa/pcl,chatchavan/pcl,lebronzhang/pcl,closerbibi/pcl,soulsheng/pcl,simonleonard/pcl,wgapl/pcl,fskuka/pcl,srbhprajapati/pcl,KevenRing/vlp,mschoeler/pcl,v4hn/pcl,krips89/pcl_newfeatures,DaikiMaekawa/pcl,mikhail-matrosov/pcl,shyamalschandra/pcl,locnx1984/pcl,MMiknis/pcl,raydtang/pcl,msalvato/pcl_kinfu_highres,drmateo/pcl,chenxingzhe/pcl,simonleonard/pcl,sbec/pcl,drmateo/pcl,krips89/pcl_newfeatures,closerbibi/pcl,shyamalschandra/pcl,shivmalhotra/pcl,closerbibi/pcl,stfuchs/pcl,shyamalschandra/pcl,locnx1984/pcl,KevenRing/vlp,chatchavan/pcl,chenxingzhe/pcl,krips89/pcl_newfeatures,Tabjones/pcl,jeppewalther/kinfu_segmentation,jakobwilm/pcl,zavataafnan/pcl-truck,soulsheng/pcl,lebronzhang/pcl,shivmalhotra/pcl,lebronzhang/pcl,soulsheng/pcl,ipa-rmb/pcl,lydhr/pcl,stfuchs/pcl,ResByte/pcl,srbhprajapati/pcl,jeppewalther/kinfu_segmentation,lydhr/pcl,MMiknis/pcl,starius/pcl,shangwuhencc/pcl,sbec/pcl,soulsheng/pcl,closerbibi/pcl,lydhr/pcl,drmateo/pcl,jakobwilm/pcl,fskuka/pcl,raydtang/pcl,v4hn/pcl,MMiknis/pcl,mschoeler/pcl,krips89/pcl_newfeatures,shangwuhencc/pcl,mschoeler/pcl,raydtang/pcl,jakobwilm/pcl,stefanbuettner/pcl,3dtof/pcl,wgapl/pcl,ipa-rmb/pcl,srbhprajapati/pcl,locnx1984/pcl,RufaelDev/pcc-mp3dg,lydhr/pcl,ipa-rmb/pcl,v4hn/pcl,mschoeler/pcl,fskuka/pcl,zavataafnan/pcl-truck,LZRS/pcl,ResByte/pcl,LZRS/pcl,lydhr/pcl,MMiknis/pcl,KevenRing/pcl,raydtang/pcl,kanster/pcl,nikste/pcl,zavataafnan/pcl-truck,stfuchs/pcl,drmateo/pcl,msalvato/pcl_kinfu_highres,RufaelDev/pcc-mp3dg,simonleonard/pcl,ResByte/pcl,sbec/pcl,v4hn/pcl,shivmalhotra/pcl,KevenRing/pcl,cascheberg/pcl,stfuchs/pcl,fanxiaochen/mypcltest,v4hn/pcl,lebronzhang/pcl,starius/pcl,cascheberg/pcl,simonleonard/pcl,sbec/pcl,DaikiMaekawa/pcl,srbhprajapati/pcl,stfuchs/pcl,fanxiaochen/mypcltest,stefanbuettner/pcl,fskuka/pcl,Tabjones/pcl,3dtof/pcl,krips89/pcl_newfeatures,mschoeler/pcl,the-glu/pcl,KevenRing/vlp,fanxiaochen/mypcltest,pkuhto/pcl,shyamalschandra/pcl,pkuhto/pcl,mikhail-matrosov/pcl,3dtof/pcl,shyamalschandra/pcl,ResByte/pcl,ResByte/pcl,wgapl/pcl,ipa-rmb/pcl,zavataafnan/pcl-truck,stefanbuettner/pcl,lebronzhang/pcl,LZRS/pcl,KevenRing/pcl,zhangxaochen/pcl,Tabjones/pcl,damienjadeduff/pcl,pkuhto/pcl,cascheberg/pcl,DaikiMaekawa/pcl,the-glu/pcl,cascheberg/pcl,RufaelDev/pcc-mp3dg,soulsheng/pcl,simonleonard/pcl,shangwuhencc/pcl,pkuhto/pcl,damienjadeduff/pcl,sbec/pcl,LZRS/pcl,KevenRing/pcl,mikhail-matrosov/pcl,raydtang/pcl,damienjadeduff/pcl,kanster/pcl,kanster/pcl,locnx1984/pcl,chenxingzhe/pcl,chenxingzhe/pcl,jakobwilm/pcl,the-glu/pcl,nikste/pcl,mikhail-matrosov/pcl