+On the client machine, the runtests script needs the XML configuration
+file as a command-line parameter, as it mounts and unmounts the filesystem
+several times during the test in order to verify that the data is still
+there as expected (ensures that it makes it to disk instead of just into
+the filesystem cache). If you are running on only a single machine, you
+can just use runtests directly. If this is only a client machine, the
+--reformat parameter is not needed (it will not do anything).