[esock|test] Add (simple) test case for ioctl request 'gifindex'
[esock|test] Add (simple) test case for ioctl request 'gifindex'

OTP-17528

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