Code review comment for lp:~gmb/maas-test/report-machine-info

[4]

     def dump_data(self, dump_dir=None):
-        if dump_dir is None:
-            dump_dir = utils.DEFAULT_LOG_DIR
+        """Dump the NodeCommissionResult table to stdout.
+
+        This allows us to capture the lshw results for commissioned
+        nodes. This method will be called when the fixture get cleaned
+        up.
+        """

You probably ought to remove the dump_dir argument too, and update the
test.