erts: fix atom_roundtrip_r15b tc
erts: fix atom_roundtrip_r15b tc

if node fails to start, just skip testcase

dumbbell/otp,goertzenator/otp,lrascao/otp,erlang/otp,neeraj9/otp,RaimoNiskanen/otp,bjorng/otp,goertzenator/otp,falkevik/otp,cobusc/otp,uabboli/otp,bernardd/otp,ahmedshafeeq/otp,aboroska/otp,g-andrade/otp,lemenkov/otp,RaimoNiskanen/otp,lightcyphers/otp,emile/otp,lrascao/otp,ahmedshafeeq/otp,bjorng/otp,kvakvs/otp,uabboli/otp,basho/otp,electricimp/otp,mikpe/otp,psyeugenic/otp,lemenkov/otp,electricimp/otp,dgud/otp,ahmedshafeeq/otp,dumbbell/otp,matwey/otp,tuncer/otp,dgud/otp,isvilen/otp,basho/otp,goertzenator/otp,getong/otp,g-andrade/otp,lrascao/otp,matwey/otp,neeraj9/otp,vladdu/otp,dumbbell/otp,aboroska/otp,vinoski/otp,release-project/otp,g-andrade/otp,massemanet/otp,lemenkov/otp,falkevik/otp,ferd/otp,cobusc/otp,erlang/otp,ferd/otp,goertzenator/otp,vladdu/otp,massemanet/otp,release-project/otp,bjorng/otp,lrascao/otp,g-andrade/otp,rlipscombe/otp,bernardd/otp,getong/otp,electricimp/otp,dgud/otp,RoadRunnr/otp,rlipscombe/otp,falkevik/otp,uabboli/otp,tuncer/otp,dumbbell/otp,kvakvs/otp,release-project/otp,isvilen/otp,bernardd/otp,massemanet/otp,kvakvs/otp,lrascao/otp,lightcyphers/otp,electricimp/otp,kvakvs/otp,mikpe/otp,legoscia/otp,bernardd/otp,mikpe/otp,vladdu/otp,RaimoNiskanen/otp,bernardd/otp,dumbbell/otp,bernardd/otp,weisslj/otp,falkevik/otp,emacsmirror/erlang,rlipscombe/otp,bsmr-erlang/otp,potatosalad/otp,matwey/otp,matwey/otp,lightcyphers/otp,mikpe/otp,erlang/otp,bugs-erlang-org/otp,dgud/otp,tuncer/otp,dumbbell/otp,emile/otp,ahmedshafeeq/otp,emacsmirror/erlang,uabboli/otp,aboroska/otp,dgud/otp,uabboli/otp,jj1bdx/otp,emile/otp,jj1bdx/otp,rlipscombe/otp,psyeugenic/otp,cobusc/otp,basho/otp,dgud/otp,psyeugenic/otp,RoadRunnr/otp,bjorng/otp,ahmedshafeeq/otp,RoadRunnr/otp,matwey/otp,saleyn/otp,saleyn/otp,weisslj/otp,legoscia/otp,RaimoNiskanen/otp,RaimoNiskanen/otp,kvakvs/otp,release-project/otp,matwey/otp,weisslj/otp,dgud/otp,basho/otp,massemanet/otp,RoadRunnr/otp,vinoski/otp,lrascao/otp,neeraj9/otp,jj1bdx/otp,g-andrade/otp,fenollp/otp,vinoski/otp,bjorng/otp,bsmr-erlang/otp,tuncer/otp,emacsmirror/erlang,bjorng/otp,bugs-erlang-org/otp,jj1bdx/otp,potatosalad/otp,RaimoNiskanen/otp,isvilen/otp,uabboli/otp,electricimp/otp,electricimp/otp,g-andrade/otp,bjorng/otp,goertzenator/otp,dgud/otp,saleyn/otp,bsmr-erlang/otp,aboroska/otp,fenollp/otp,getong/otp,legoscia/otp,ferd/otp,bugs-erlang-org/otp,saleyn/otp,falkevik/otp,emile/otp,basho/otp,vinoski/otp,fenollp/otp,ferd/otp,emacsmirror/erlang,potatosalad/otp,jj1bdx/otp,getong/otp,potatosalad/otp,kvakvs/otp,getong/otp,erlang/otp,jj1bdx/otp,basho/otp,bsmr-erlang/otp,jj1bdx/otp,emile/otp,bernardd/otp,release-project/otp,uabboli/otp,release-project/otp,bsmr-erlang/otp,getong/otp,potatosalad/otp,vladdu/otp,erlang/otp,potatosalad/otp,ahmedshafeeq/otp,cobusc/otp,g-andrade/otp,lrascao/otp,aboroska/otp,legoscia/otp,vinoski/otp,rlipscombe/otp,tuncer/otp,RaimoNiskanen/otp,bjorng/otp,ferd/otp,mikpe/otp,dgud/otp,jj1bdx/otp,erlang/otp,kvakvs/otp,falkevik/otp,potatosalad/otp,lemenkov/otp,dgud/otp,isvilen/otp,rlipscombe/otp,RoadRunnr/otp,RoadRunnr/otp,vladdu/otp,saleyn/otp,electricimp/otp,psyeugenic/otp,bugs-erlang-org/otp,release-project/otp,vladdu/otp,isvilen/otp,ferd/otp,vladdu/otp,neeraj9/otp,falkevik/otp,bernardd/otp,potatosalad/otp,emacsmirror/erlang,g-andrade/otp,erlang/otp,getong/otp,release-project/otp,basho/otp,emile/otp,legoscia/otp,psyeugenic/otp,ahmedshafeeq/otp,emile/otp,emacsmirror/erlang,emile/otp,weisslj/otp,goertzenator/otp,ferd/otp,uabboli/otp,lightcyphers/otp,bsmr-erlang/otp,weisslj/otp,kvakvs/otp,massemanet/otp,psyeugenic/otp,weisslj/otp,saleyn/otp,weisslj/otp,fenollp/otp,potatosalad/otp,RaimoNiskanen/otp,lemenkov/otp,bernardd/otp,lemenkov/otp,jj1bdx/otp,emacsmirror/erlang,cobusc/otp,tuncer/otp,electricimp/otp,bugs-erlang-org/otp,vinoski/otp,mikpe/otp,cobusc/otp,falkevik/otp,lightcyphers/otp,psyeugenic/otp,cobusc/otp,mikpe/otp,matwey/otp,getong/otp,bsmr-erlang/otp,neeraj9/otp,lemenkov/otp,aboroska/otp,goertzenator/otp,bjorng/otp,vladdu/otp,basho/otp,massemanet/otp,emacsmirror/erlang,emile/otp,legoscia/otp,saleyn/otp,RoadRunnr/otp,mikpe/otp,emacsmirror/erlang,fenollp/otp,jj1bdx/otp,uabboli/otp,lightcyphers/otp,isvilen/otp,rlipscombe/otp,bugs-erlang-org/otp,massemanet/otp,bugs-erlang-org/otp,emacsmirror/erlang,basho/otp,vinoski/otp,tuncer/otp,dumbbell/otp,electricimp/otp,mikpe/otp,lightcyphers/otp,aboroska/otp,isvilen/otp,goertzenator/otp,weisslj/otp,neeraj9/otp,vinoski/otp,aboroska/otp,ahmedshafeeq/otp,vinoski/otp,lightcyphers/otp,vladdu/otp,dumbbell/otp,ferd/otp,legoscia/otp,mikpe/otp,aboroska/otp,rlipscombe/otp,neeraj9/otp,bsmr-erlang/otp,legoscia/otp,tuncer/otp,rlipscombe/otp,tuncer/otp,lrascao/otp,fenollp/otp,vinoski/otp,saleyn/otp,goertzenator/otp,fenollp/otp,fenollp/otp,isvilen/otp,matwey/otp,fenollp/otp,bsmr-erlang/otp,weisslj/otp,matwey/otp,kvakvs/otp,erlang/otp,bjorng/otp,ahmedshafeeq/otp,rlipscombe/otp,RoadRunnr/otp,massemanet/otp,g-andrade/otp,RoadRunnr/otp,saleyn/otp,dumbbell/otp,psyeugenic/otp,ferd/otp,dumbbell/otp,isvilen/otp,erlang/otp,g-andrade/otp,falkevik/otp,bugs-erlang-org/otp,neeraj9/otp,isvilen/otp,getong/otp,lrascao/otp,legoscia/otp,release-project/otp,RaimoNiskanen/otp,erlang/otp,massemanet/otp,lemenkov/otp,cobusc/otp,potatosalad/otp,getong/otp