11838 secflag tests are racy

*** 11,37 ****
  # http://www.illumos.org/license/CDDL.
  #
  
  #
  # Copyright 2015, Richard Lowe.
  #
  
  mkdir /tmp/secflags-test.$$
  cd /tmp/secflags-test.$$
  
  /usr/bin/psecflags -s aslr -e sleep 100000 &
  pid=$!
! coreadm -p core $pid # We need to be able to reliably find the core
  
  cleanup() {
      kill $pid >/dev/null 2>&1
      cd /
      rm -fr /tmp/secflags-test.$$
  }
  
  trap cleanup EXIT
  
  ## gcore-produced core
  gcore $pid >/dev/null
  
  cat > gcore-expected.$$ <<EOF
  core 'core.$pid' of $pid:       sleep 100000
--- 11,48 ----
  # http://www.illumos.org/license/CDDL.
  #
  
  #
  # Copyright 2015, Richard Lowe.
+ # Copyright 2019 Joyent, Inc.
  #
  
  mkdir /tmp/secflags-test.$$
  cd /tmp/secflags-test.$$
  
  /usr/bin/psecflags -s aslr -e sleep 100000 &
  pid=$!
! # Make sure we generate a kernel core we can find
! coreadm -p core $pid
! enabled=$(/usr/bin/svcprop -p config_params/process_enabled coreadm)
! coreadm_restore=""
! if [[ "$enabled" = "false" ]]; then
!     coreadm_restore="/usr/bin/coreadm -d process"
!     coreadm -e process
! fi
  
  cleanup() {
      kill $pid >/dev/null 2>&1
      cd /
      rm -fr /tmp/secflags-test.$$
+ 
+     $coreadm_restore
  }
  
  trap cleanup EXIT
  
+ sleep 1
  ## gcore-produced core
  gcore $pid >/dev/null
  
  cat > gcore-expected.$$ <<EOF
  core 'core.$pid' of $pid:       sleep 100000
*** 40,55 ****
--- 51,68 ----
  EOF
  
  /usr/bin/psecflags core.${pid} | grep -v '[LU]:' > gcore-output.$$
  
  if ! diff -u gcore-expected.$$ gcore-output.$$; then
+     $coreadm_restore
      exit 1;
  fi
  
  ## kernel-produced core
  kill -SEGV $pid
  wait $pid >/dev/null 2>&1
+ $coreadm_restore
  
  cat > core-expected.$$ <<EOF
  core 'core' of $pid:    sleep 100000
          E:      aslr
          I:      aslr