fix: ensure doc tests are run from the testing/data directory
fix: ensure doc tests are run from the testing/data directory

FCP-INDI/nipype,iglpdc/nipype,carolFrohlich/nipype,dgellis90/nipype,sgiavasis/nipype,dgellis90/nipype,FCP-INDI/nipype,dgellis90/nipype,carolFrohlich/nipype,carolFrohlich/nipype,mick-d/nipype,dgellis90/nipype,FCP-INDI/nipype,sgiavasis/nipype,FCP-INDI/nipype,pearsonlab/nipype,pearsonlab/nipype,pearsonlab/nipype,carolFrohlich/nipype,mick-d/nipype,iglpdc/nipype,sgiavasis/nipype,mick-d/nipype,sgiavasis/nipype,mick-d/nipype,pearsonlab/nipype,iglpdc/nipype,iglpdc/nipype