tests: make test-commandserver.py independent of line ending and slash direction

tests/test-commandserver.py

@@ -128,7 +128,7 def cwd(server):
     """ check that --cwd doesn't persist between requests """
     readchannel(server)
     os.mkdir('foo')
-    f = open('foo/bar', 'w')
+    f = open('foo/bar', 'wb')
     f.write('a')
     f.close()
     runcommand(server, ['--cwd', 'foo', 'st', 'bar'])
@@ -145,7 +145,7 def localhgrc(server):
 
     # but not for this repo
     runcommand(server, ['init', 'foo'])
-    runcommand(server, ['-R', 'foo', 'showconfig'])
+    runcommand(server, ['-R', 'foo', 'showconfig', 'ui', 'defaults'])
     shutil.rmtree('foo')
 
 def hook(**args):
@@ -160,7 +160,10 def hookoutput(server):
 
 def outsidechanges(server):
     readchannel(server)
-    os.system('echo a >> a && hg ci -Am2')
+    f = open('a', 'ab')
+    f.write('a\n')
+    f.close()
+    os.system('hg ci -Am2')
     runcommand(server, ['tip'])
 
 def bookmarks(server):

tests/test-commandserver.py.out

@@ -77,8 +77,7 defaults.tag=-d "0 0"
 ui.slash=True
 ui.foo=bar
  runcommand init foo
- runcommand -R foo showconfig
-bundle.mainreporoot=$TESTTMP/foo
+ runcommand -R foo showconfig ui defaults
 defaults.backout=-d "0 0"
 defaults.commit=-d "0 0"
 defaults.tag=-d "0 0"