12495 findtest is flaky

*** 23,35 ****
  set -o pipefail
  unalias -a
  
  find_prog=/usr/bin/find
  find_prog_xpg4=/usr/xpg4/bin/find
- find_dir="$(mktemp -d -p /tmp/)"
  find_exit=0
  
  testfind()
  {
          exp=$1
          shift
          cmd="$@"
--- 23,39 ----
  set -o pipefail
  unalias -a
  
  find_prog=/usr/bin/find
  find_prog_xpg4=/usr/xpg4/bin/find
  find_exit=0
  
+ # make sure we don't end in 1 or 2, which breaks the tests
+ find_dir=/tmp/findtest.$$.dir
+ 
+ mkdir $find_dir
+ 
  testfind()
  {
          exp=$1
          shift
          cmd="$@"