A05 test failure: bad interpreter: x*xn

[Matthew Martin <phy1729@xxxxxxxxx>]

When running tests on OpenBSD A05 fails with the below message. It seems
to be testing for an OS dependant error string and exit code.

- Matthew Martin

./A05execution.ztst: starting.
Pattern match failed, line 1:
-<*tstcmd-interp-too-long: bad interpreter: x*xn: no such file or directory
 <status 127
+>(eval):2: /home/phy1729/ports/pobj/zsh-5.6.1/zsh-5.6.1/Test/command.tmp//tstcmd-interp-too-long: bad interpreter: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxn: exec format error
 >status 126
Test ./A05execution.ztst failed: output differs from expected as shown above for:
  path=($shpath $echopath ${ZTST_testdir}/command.tmp/)
  tstcmd-interp-too-long 2>&1; echo "status $?"
  path=($storepath)
Was testing: path (5)
./A05execution.ztst: test failed.