[kernel|gen-tcp-misc|test] Adjust 'otp 7731' test case
[kernel|gen-tcp-misc|test] Adjust 'otp 7731' test case

Needed tweaking to pass when 'inet_backend = socket'.
The question is we should even run this test case when
'inet_backend = socket' since it test a specific inet
bahaviour...

OTP-17156

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