ht: make test of bash:// pseuo request more robust
ht: make test of bash:// pseuo request more robust

On darwin /tmp is a symlink to /private/tmp and on (my installation of)
cygwin a pwd under /tmp results in /cygdrive/d/tmp. Make the test work
on Mac and cygwin too by using Yoda grammar.

vdobler/ht,vdobler/ht,vdobler/ht,vdobler/ht