tests/testlib/stream_clone_setup.sh

tests: fix glob pattern for dynamic timer alignment

The number of space characters varies depending on the number of digits of the
timer, making some tests fail on slow machines in an unintended way:

```diff
--- /build/mercurial-6.1/tests/test-merge-halt.t
+++ /build/mercurial-6.1/tests/test-merge-halt.t.err
@@ -210,6 +210,6 @@
   merge halted after failed merge (see hg resolve)
   [240]
   $ hg shelve --list
-  default         (* ago)    changes to: foo (glob)
+  default         (11s ago)   changes to: foo
   $ hg unshelve --abort
   unshelve of 'default' aborted
ERROR: test-merge-halt.t output changed
```

Differential Revision: https://phab.mercurial-scm.org/D12381

# setup some files and commit for a good stream clone testing.

touch foo
hg -q commit -A -m initial

python3 << EOF
for i in range(1024):
    with open(str(i), 'wb') as fh:
        fh.write(b"%d" % i) and None
EOF
hg -q commit -A -m 'add a lot of files'

# (the status call is to check for issue5130)

hg st

# add files with "tricky" name:

echo foo > 00changelog.i
echo foo > 00changelog.d
echo foo > 00changelog.n
echo foo > 00changelog-ab349180a0405010.nd
echo foo > 00manifest.i
echo foo > 00manifest.d
echo foo > foo.i
echo foo > foo.d
echo foo > foo.n
echo foo > undo.py
echo foo > undo.i
echo foo > undo.d
echo foo > undo.n
echo foo > undo.foo.i
echo foo > undo.foo.d
echo foo > undo.foo.n
echo foo > undo.babar
mkdir savanah
echo foo > savanah/foo.i
echo foo > savanah/foo.d
echo foo > savanah/foo.n
echo foo > savanah/undo.py
echo foo > savanah/undo.i
echo foo > savanah/undo.d
echo foo > savanah/undo.n
echo foo > savanah/undo.foo.i
echo foo > savanah/undo.foo.d
echo foo > savanah/undo.foo.n
echo foo > savanah/undo.babar
mkdir data
echo foo > data/foo.i
echo foo > data/foo.d
echo foo > data/foo.n
echo foo > data/undo.py
echo foo > data/undo.i
echo foo > data/undo.d
echo foo > data/undo.n
echo foo > data/undo.foo.i
echo foo > data/undo.foo.d
echo foo > data/undo.foo.n
echo foo > data/undo.babar
mkdir meta
echo foo > meta/foo.i
echo foo > meta/foo.d
echo foo > meta/foo.n
echo foo > meta/undo.py
echo foo > meta/undo.i
echo foo > meta/undo.d
echo foo > meta/undo.n
echo foo > meta/undo.foo.i
echo foo > meta/undo.foo.d
echo foo > meta/undo.foo.n
echo foo > meta/undo.babar
mkdir store
echo foo > store/foo.i
echo foo > store/foo.d
echo foo > store/foo.n
echo foo > store/undo.py
echo foo > store/undo.i
echo foo > store/undo.d
echo foo > store/undo.n
echo foo > store/undo.foo.i
echo foo > store/undo.foo.d
echo foo > store/undo.foo.n
echo foo > store/undo.babar

# Name with special characters

echo foo > store/CélesteVille_is_a_Capital_City

# name causing issue6581

mkdir -p container/isam-build-centos7/
touch container/isam-build-centos7/bazel-coverage-generator-sandboxfs-compatibility-0758e3e4f6057904d44399bd666faba9e7f40686.patch

# Add all that

hg add .
hg ci -m 'add files with "tricky" name'