py3: make tests/test-impexp-branch.t compatible with Python 3
This patch adds some missig b'' prefixes and add suppress the output of write()
calls.
Differential Revision: https://phab.mercurial-scm.org/D3789
--- a/tests/test-impexp-branch.t Mon Jun 18 15:28:18 2018 +0530
+++ b/tests/test-impexp-branch.t Mon Jun 18 15:31:13 2018 +0530
@@ -75,8 +75,8 @@
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
>>> import re
>>> p = open('../r1.patch', 'rb').read()
- >>> p = re.sub(r'Parent\s+', 'Parent ', p)
- >>> open('../r1-ws.patch', 'wb').write(p)
+ >>> p = re.sub(br'Parent\s+', b'Parent ', p)
+ >>> open('../r1-ws.patch', 'wb').write(p) and None
$ hg import --exact ../r1-ws.patch
applying ../r1-ws.patch