diff --git a/tests/hghave.py b/tests/hghave.py
--- a/tests/hghave.py
+++ b/tests/hghave.py
@@ -118,6 +118,9 @@ def has_fifo():
     except OSError:
         return False
 
+def has_killdaemons():
+    return True
+
 def has_cacheable_fs():
     from mercurial import util
 
@@ -286,6 +289,7 @@ checks = {
     "hardlink": (has_hardlink, "hardlinks"),
     "icasefs": (has_icasefs, "case insensitive file system"),
     "inotify": (has_inotify, "inotify extension support"),
+    "killdaemons": (has_killdaemons, 'killdaemons.py support'),
     "lsprof": (has_lsprof, "python lsprof module"),
     "mtn": (has_mtn, "monotone client (>= 1.0)"),
     "outer-repo": (has_outer_repo, "outer repo"),
diff --git a/tests/test-http-branchmap.t b/tests/test-http-branchmap.t
--- a/tests/test-http-branchmap.t
+++ b/tests/test-http-branchmap.t
@@ -1,7 +1,10 @@
-  $ "$TESTDIR/hghave" serve || exit 80
+  $ "$TESTDIR/hghave" killdaemons || exit 80
 
   $ hgserve() {
-  >     hg serve -a localhost -p $HGPORT1 -d --pid-file=hg.pid -E errors.log -v $@
+  >     hg serve -a localhost -p $HGPORT1 -d --pid-file=hg.pid \
+  >       -E errors.log -v $@ > startup.log
+  >     # Grepping hg serve stdout would hang on Windows
+  >     grep -v 'listening at' startup.log
   >     cat hg.pid >> "$DAEMON_PIDS"
   > }
   $ hg init a
@@ -12,7 +15,6 @@
   $ hg -R a ci -Am foo
   adding foo
   $ hgserve -R a --config web.push_ssl=False --config web.allow_push=* --encoding latin1
-  listening at http://*:$HGPORT1/ (bound to 127.0.0.1:$HGPORT1) (glob)
   $ hg --encoding utf-8 clone http://localhost:$HGPORT1 b
   requesting all changes
   adding changesets
@@ -52,7 +54,7 @@
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     foo
   
-  $ kill `cat hg.pid`
+  $ "$TESTDIR/killdaemons.py" hg.pid
 
 verify 7e7d56fe4833 (encoding fallback in branchmap to maintain compatibility with 1.3.x)