[snmp|manager|test] Improve init_per_testcase
[snmp|manager|test] Improve init_per_testcase

Try to handle "failures" during init_per_testcase such that
if they are either throw or exit, then they are transformed
into a skip.

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