Skip some tests, unblock doctest, closes #3763
Skip some tests, unblock doctest, closes #3763

michalkonecny/stackage,creichert/stackage,soenkehahn/stackage,jonschoning/stackage,mstksg/stackage,simonmichael/stackage,mrkkrp/stackage,massysett/stackage,stackbuilders/stackage,fimad/stackage,wereHamster/stackage,clinty/stackage,int-index/stackage,peti/stackage,Daniel-Diaz/stackage,fpco/stackage,mgajda/stackage,iand675/stackage,Shimuuar/stackage,asr/stackage,spencerjanssen/stackage,athanclark/stackage,ethercrow/stackage