ets_SUITE: Shorten some test cases
ets_SUITE: Shorten some test cases

as they tend to time out on slow/single-core machines.

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