TST: Add deprecation testcase for quantile interpolation rename
TST: Add deprecation testcase for quantile interpolation rename

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