Actually test passthrough* examples

Since os.path.join() interprets leading slashes, we were
actually never accessing the mountpoint and doing all the
tests in the source directory.

Fixes: #139

diff --git a/test/test_examples.py b/test/test_examples.py
index 18e858b8a88282f602274ee80df126f45d2866f2..d508d0f13ff8e8cce75a15d8ad0def4b0779c891 100755 (executable)
--- a/test/test_examples.py
+++ b/test/test_examples.py
@@ -82,7 +82,7 @@ def test_passthrough(tmpdir, name, debug, capfd):
     mount_process = subprocess.Popen(cmdline)
     try:
         wait_for_mount(mount_process, mnt_dir)
-        work_dir = pjoin(mnt_dir, src_dir)
+        work_dir = mnt_dir + src_dir
 
         tst_statvfs(work_dir)
         tst_readdir(src_dir, work_dir)