tests/test-debugrename.t

test-ssh: stop quoting dummyssh invocation for Windows

The other invocations aren't quoted, and Windows doesn't like the single quotes:

  diff --git a/tests/test-ssh.t b/tests/test-ssh.t
  --- a/tests/test-ssh.t
  +++ b/tests/test-ssh.t
  @@ -520,20 +520,8 @@ remote hook failure is attributed to rem
     $ echo "pretxnchangegroup.fail = python:$TESTTMP/failhook:hook" >> remote/.hg/hgrc

     $ hg -q --config ui.ssh="python '$TESTDIR/dummyssh'" clone ssh://user@dummy/remote hookout
  +  abort: no suitable response from remote hg!
  +  [255]
     $ cd hookout
  +  $TESTTMP.sh: line 264: cd: hookout: No such file or directory
     $ touch hookfailure
  -  $ hg -q commit -A -m 'remote hook failure'
  ....

  $ hg init
  $ echo a > a
  $ hg ci -Am t
  adding a

  $ hg mv a b
  $ hg ci -Am t1
  $ hg debugrename b
  b renamed from a:b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3

  $ hg mv b a
  $ hg ci -Am t2
  $ hg debugrename a
  a renamed from b:37d9b5d994eab34eda9c16b195ace52c7b129980

  $ hg debugrename --rev 1 b
  b renamed from a:b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3