sys_SUITE: Mend test cases that didn't test what they should
sys_SUITE: Mend test cases that didn't test what they should

The return values for lists:prefix/2 and lists:member/2 were
ignored.

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