stdlib: Improve stim_cat_ord_set in ets_SUITE
stdlib: Improve stim_cat_ord_set in ets_SUITE

to generate a routing tree with keys that fit each test case.

ferd/otp,erlang/otp,electricimp/otp,aboroska/otp,getong/otp,bjorng/otp,isvilen/otp,emacsmirror/erlang,legoscia/otp,bjorng/otp,potatosalad/otp,bjorng/otp,getong/otp,vinoski/otp,dumbbell/otp,vladdu/otp,lrascao/otp,uabboli/otp,kvakvs/otp,vinoski/otp,aboroska/otp,electricimp/otp,emacsmirror/erlang,emacsmirror/erlang,aboroska/otp,bsmr-erlang/otp,vladdu/otp,kvakvs/otp,ferd/otp,dgud/otp,getong/otp,potatosalad/otp,ferd/otp,mikpe/otp,lrascao/otp,bjorng/otp,bsmr-erlang/otp,vinoski/otp,legoscia/otp,emacsmirror/erlang,erlang/otp,emacsmirror/erlang,RoadRunnr/otp,jj1bdx/otp,potatosalad/otp,vinoski/otp,uabboli/otp,electricimp/otp,potatosalad/otp,erlang/otp,uabboli/otp,aboroska/otp,mikpe/otp,vladdu/otp,getong/otp,ferd/otp,RoadRunnr/otp,erlang/otp,vinoski/otp,electricimp/otp,rlipscombe/otp,dumbbell/otp,getong/otp,legoscia/otp,potatosalad/otp,emacsmirror/erlang,legoscia/otp,bsmr-erlang/otp,vladdu/otp,lrascao/otp,emacsmirror/erlang,erlang/otp,g-andrade/otp,RoadRunnr/otp,dumbbell/otp,isvilen/otp,jj1bdx/otp,potatosalad/otp,g-andrade/otp,vinoski/otp,electricimp/otp,dumbbell/otp,rlipscombe/otp,potatosalad/otp,electricimp/otp,legoscia/otp,mikpe/otp,uabboli/otp,electricimp/otp,lrascao/otp,vladdu/otp,mikpe/otp,dgud/otp,bsmr-erlang/otp,uabboli/otp,isvilen/otp,mikpe/otp,aboroska/otp,emacsmirror/erlang,kvakvs/otp,bsmr-erlang/otp,dumbbell/otp,g-andrade/otp,kvakvs/otp,bjorng/otp,isvilen/otp,bsmr-erlang/otp,isvilen/otp,rlipscombe/otp,isvilen/otp,jj1bdx/otp,bjorng/otp,vinoski/otp,mikpe/otp,vinoski/otp,dumbbell/otp,getong/otp,aboroska/otp,isvilen/otp,dgud/otp,jj1bdx/otp,legoscia/otp,dumbbell/otp,rlipscombe/otp,RoadRunnr/otp,dgud/otp,jj1bdx/otp,kvakvs/otp,mikpe/otp,bjorng/otp,legoscia/otp,vinoski/otp,g-andrade/otp,rlipscombe/otp,dumbbell/otp,kvakvs/otp,kvakvs/otp,getong/otp,bjorng/otp,bjorng/otp,jj1bdx/otp,bsmr-erlang/otp,erlang/otp,RoadRunnr/otp,lrascao/otp,dgud/otp,dgud/otp,vladdu/otp,getong/otp,lrascao/otp,jj1bdx/otp,dumbbell/otp,erlang/otp,isvilen/otp,emacsmirror/erlang,dgud/otp,bsmr-erlang/otp,mikpe/otp,g-andrade/otp,erlang/otp,ferd/otp,jj1bdx/otp,jj1bdx/otp,rlipscombe/otp,bsmr-erlang/otp,dumbbell/otp,rlipscombe/otp,g-andrade/otp,mikpe/otp,ferd/otp,uabboli/otp,bjorng/otp,lrascao/otp,g-andrade/otp,RoadRunnr/otp,lrascao/otp,RoadRunnr/otp,erlang/otp,ferd/otp,g-andrade/otp,RoadRunnr/otp,rlipscombe/otp,vladdu/otp,vladdu/otp,lrascao/otp,electricimp/otp,mikpe/otp,dgud/otp,RoadRunnr/otp,dgud/otp,g-andrade/otp,emacsmirror/erlang,potatosalad/otp,rlipscombe/otp,erlang/otp,ferd/otp,kvakvs/otp,aboroska/otp,uabboli/otp,g-andrade/otp,rlipscombe/otp,dgud/otp,uabboli/otp,uabboli/otp,legoscia/otp,potatosalad/otp,legoscia/otp,isvilen/otp,aboroska/otp,getong/otp,isvilen/otp,getong/otp,potatosalad/otp,kvakvs/otp,electricimp/otp,vinoski/otp,ferd/otp,vladdu/otp,jj1bdx/otp,aboroska/otp