tests: use readlink.py instead of readlink
The latter doesn't always exist, such as on Solaris-derived platforms.
Differential Revision: https://phab.mercurial-scm.org/D998
--- a/tests/test-pathconflicts-merge.t Tue Oct 10 11:02:40 2017 -0400
+++ b/tests/test-pathconflicts-merge.t Tue Oct 10 11:02:53 2017 -0400
@@ -121,8 +121,8 @@
use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
[1]
$ hg mv a/b~2ea68033e3be a/b.old
- $ readlink a/b.old
- c
+ $ readlink.py a/b.old
+ a/b.old -> c
$ hg resolve --mark a/b
(no more unresolved files)
$ hg commit -m "merge link (rename link)"