diff --git a/tests/check-perf-code.py b/tests/check-perf-code.py
--- a/tests/check-perf-code.py
+++ b/tests/check-perf-code.py
@@ -24,7 +24,7 @@ perfpypats = [
 
 def modulewhitelist(names):
     replacement = [('.py', ''), ('.c', ''), # trim suffix
-                   ('mercurial%s' % (os.sep), ''), # trim "mercurial/" path
+                   ('mercurial%s' % ('/'), ''), # trim "mercurial/" path
                   ]
     ignored = {'__init__'}
     modules = {}
diff --git a/tests/test-hgignore.t b/tests/test-hgignore.t
--- a/tests/test-hgignore.t
+++ b/tests/test-hgignore.t
@@ -356,7 +356,7 @@ Windows paths are accepted on input
   $ rm dir1/.hgignore
   $ echo "dir1/file*" >> .hgignore
   $ hg debugignore "dir1\file2"
-  dir1\file2 is ignored
+  dir1/file2 is ignored
   (ignore rule in $TESTTMP\ignorerepo\.hgignore, line 4: 'dir1/file*')
   $ hg up -qC .