shelltestrunner-1.9: tests/format1.unix/unicode-unix.test

# 0. utf8-encoded unicode in filename should be fine
# XXX file renamed from unicode-ß-unix.test to appease hackage (non-utf8-encoded ?)
#
# 1. in command field:
 echo проверка
>>>= 0
# 2. in output field:
 echo проверка
>>>
проверка
>>>= 0
# 3. in regexp:
 echo проверка
>>> /проверка/
>>>= 0