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
== Local
Ready.
Un and Deux
Eins und Zwei
One and Two
Eins und Zwei
Uno und Due
== Remote
Ready.
REQ: foo?one=Vo&two=Efvy
-> Vo!boe!Efvy
Un and Deux
REQ: bar?b=Fjot&a=[xfj
-> Fjot!voe![xfj
Eins und Zwei
REQ: batch?cmds=foo:one=Pof,two=Uxp;bar:b=Fjot,a=[xfj;bar:b=Vop,a=Evf
-> Pof!boe!Uxp;Fjot!voe![xfj;Vop!voe!Evf
One and Two
Eins und Zwei
Uno und Due