TST: Fixup current loadtxt tests for changes
TST: Fixup current loadtxt tests for changes

seberg/numpy,mattip/numpy,numpy/numpy,charris/numpy,pdebuyl/numpy,anntzer/numpy,rgommers/numpy,endolith/numpy,charris/numpy,endolith/numpy,charris/numpy,pdebuyl/numpy,numpy/numpy,pdebuyl/numpy,jakirkham/numpy,seberg/numpy,anntzer/numpy,jakirkham/numpy,mhvk/numpy,anntzer/numpy,mattip/numpy,jakirkham/numpy,rgommers/numpy,numpy/numpy,rgommers/numpy,anntzer/numpy,pdebuyl/numpy,endolith/numpy,mhvk/numpy,mhvk/numpy,charris/numpy,mhvk/numpy,seberg/numpy,numpy/numpy,jakirkham/numpy,seberg/numpy,rgommers/numpy,endolith/numpy,mhvk/numpy,mattip/numpy,mattip/numpy,jakirkham/numpy