Add test for loading all projects.
Add test for loading all projects.

florianf/tileoven,Zhao-Qi/tilemill,isaacs/tilemill,MappingKat/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,Zhao-Qi/tilemill,fxtentacle/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,makinacorpus/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,tizzybec/tilemill,florianf/tileoven,nyimbi/tilemill,paulovieira/tilemill-clima,tilemill-project/tilemill,MappingKat/tilemill,MappingKat/tilemill,nyimbi/tilemill,tizzybec/tilemill,paulovieira/tilemill-clima,fxtentacle/tilemill,mbrukman/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,mbrukman/tilemill,fxtentacle/tilemill,nyimbi/tilemill,tizzybec/tilemill,tizzybec/tilemill,mbrukman/tilemill,MappingKat/tilemill,florianf/tileoven,Zhao-Qi/tilemill,isaacs/tilemill,Zhao-Qi/tilemill,mbrukman/tilemill,isaacs/tilemill,tizzybec/tilemill,paulovieira/tilemill-clima,mbrukman/tilemill,fxtentacle/tilemill,makinacorpus/tilemill,nyimbi/tilemill,tilemill-project/tilemill,Zhao-Qi/tilemill,nyimbi/tilemill,paulovieira/tilemill-clima,Teino1978-Corp/Teino1978-Corp-tilemill,fxtentacle/tilemill,paulovieira/tilemill-clima,MappingKat/tilemill,tilemill-project/tilemill