stream-clone-test: simplify testing of secret cloning restriction
Here, we just want to check if the streaming clone is allowed and used or not.
We do not care about the details of the clone itself.
$!
$! Set hg and hgeditor symbol
$!
$ HG == "$ PYTHON$ROOT:[BIN]PYTHON /MERCURIAL_ROOT/HG"
$ HGEDITOR == "@MERCURIAL_ROOT:[VMS]HGEDITOR"
$
$ exit