TST: Do not use empty arrays in tests (unless they are not read)
TST: Do not use empty arrays in tests (unless they are not read)

Not initializing arrays throws off valgrind, so avoid it here. For a while
I thought it was just a false positive due to some SSE string compare function.

pdebuyl/numpy,jakirkham/numpy,jorisvandenbossche/numpy,seberg/numpy,mattip/numpy,grlee77/numpy,Eric89GXL/numpy,pizzathief/numpy,simongibbons/numpy,charris/numpy,ahaldane/numpy,mattip/numpy,WarrenWeckesser/numpy,jakirkham/numpy,shoyer/numpy,endolith/numpy,WarrenWeckesser/numpy,shoyer/numpy,anntzer/numpy,abalkin/numpy,seberg/numpy,pbrod/numpy,MSeifert04/numpy,mhvk/numpy,jakirkham/numpy,Eric89GXL/numpy,gfyoung/numpy,rgommers/numpy,pdebuyl/numpy,anntzer/numpy,rgommers/numpy,ahaldane/numpy,madphysicist/numpy,madphysicist/numpy,ahaldane/numpy,jorisvandenbossche/numpy,pizzathief/numpy,endolith/numpy,WarrenWeckesser/numpy,rgommers/numpy,pbrod/numpy,seberg/numpy,pbrod/numpy,WarrenWeckesser/numpy,simongibbons/numpy,simongibbons/numpy,grlee77/numpy,pizzathief/numpy,mhvk/numpy,jorisvandenbossche/numpy,pdebuyl/numpy,mhvk/numpy,madphysicist/numpy,endolith/numpy,shoyer/numpy,charris/numpy,jorisvandenbossche/numpy,MSeifert04/numpy,pbrod/numpy,abalkin/numpy,gfyoung/numpy,seberg/numpy,pbrod/numpy,ahaldane/numpy,pizzathief/numpy,gfyoung/numpy,MSeifert04/numpy,numpy/numpy,rgommers/numpy,ahaldane/numpy,MSeifert04/numpy,charris/numpy,jakirkham/numpy,jakirkham/numpy,grlee77/numpy,mhvk/numpy,endolith/numpy,madphysicist/numpy,mattip/numpy,pdebuyl/numpy,grlee77/numpy,MSeifert04/numpy,abalkin/numpy,WarrenWeckesser/numpy,mhvk/numpy,numpy/numpy,simongibbons/numpy,simongibbons/numpy,anntzer/numpy,shoyer/numpy,mattip/numpy,shoyer/numpy,jorisvandenbossche/numpy,charris/numpy,madphysicist/numpy,grlee77/numpy,numpy/numpy,pizzathief/numpy,numpy/numpy,Eric89GXL/numpy,Eric89GXL/numpy,anntzer/numpy