tst: added some tests for file removal from outputs
tst: added some tests for file removal from outputs

iglpdc/nipype,arokem/nipype,FCP-INDI/nipype,carolFrohlich/nipype,pearsonlab/nipype,blakedewey/nipype,dmordom/nipype,FredLoney/nipype,blakedewey/nipype,rameshvs/nipype,mick-d/nipype,dmordom/nipype,pearsonlab/nipype,wanderine/nipype,FCP-INDI/nipype,iglpdc/nipype,fprados/nipype,wanderine/nipype,sgiavasis/nipype,dmordom/nipype,FredLoney/nipype,grlee77/nipype,dgellis90/nipype,Leoniela/nipype,glatard/nipype,wanderine/nipype,mick-d/nipype_source,FCP-INDI/nipype,blakedewey/nipype,fprados/nipype,JohnGriffiths/nipype,iglpdc/nipype,carlohamalainen/nipype,rameshvs/nipype,rameshvs/nipype,Leoniela/nipype,mick-d/nipype,glatard/nipype,christianbrodbeck/nipype,arokem/nipype,dgellis90/nipype,glatard/nipype,FredLoney/nipype,carolFrohlich/nipype,mick-d/nipype,JohnGriffiths/nipype,mick-d/nipype,carlohamalainen/nipype,JohnGriffiths/nipype,carolFrohlich/nipype,gerddie/nipype,gerddie/nipype,mick-d/nipype_source,rameshvs/nipype,dgellis90/nipype,dgellis90/nipype,carlohamalainen/nipype,christianbrodbeck/nipype,grlee77/nipype,gerddie/nipype,Leoniela/nipype,mick-d/nipype_source,glatard/nipype,fprados/nipype,FCP-INDI/nipype,gerddie/nipype,grlee77/nipype,sgiavasis/nipype,grlee77/nipype,arokem/nipype,JohnGriffiths/nipype,iglpdc/nipype,arokem/nipype,carolFrohlich/nipype,sgiavasis/nipype,blakedewey/nipype,pearsonlab/nipype,sgiavasis/nipype,wanderine/nipype,pearsonlab/nipype