TST: Added / updated object array-related tests
TST: Added / updated object array-related tests

grlee77/numpy,mattip/numpy,endolith/numpy,grlee77/numpy,pdebuyl/numpy,pbrod/numpy,numpy/numpy,rgommers/numpy,seberg/numpy,seberg/numpy,mhvk/numpy,grlee77/numpy,madphysicist/numpy,pbrod/numpy,madphysicist/numpy,madphysicist/numpy,mattip/numpy,anntzer/numpy,charris/numpy,mhvk/numpy,simongibbons/numpy,pbrod/numpy,jakirkham/numpy,simongibbons/numpy,mhvk/numpy,simongibbons/numpy,anntzer/numpy,pdebuyl/numpy,mhvk/numpy,charris/numpy,pbrod/numpy,pdebuyl/numpy,rgommers/numpy,endolith/numpy,madphysicist/numpy,numpy/numpy,rgommers/numpy,numpy/numpy,grlee77/numpy,seberg/numpy,numpy/numpy,mhvk/numpy,charris/numpy,pbrod/numpy,endolith/numpy,mattip/numpy,simongibbons/numpy,pdebuyl/numpy,madphysicist/numpy,rgommers/numpy,endolith/numpy,jakirkham/numpy,anntzer/numpy,jakirkham/numpy,mattip/numpy,jakirkham/numpy,jakirkham/numpy,seberg/numpy,simongibbons/numpy,charris/numpy,anntzer/numpy,grlee77/numpy