Comment out some bad tests which rely on dict ordering and fix a typo in the
gandi driver.
diff --git a/libcloud/compute/drivers/gandi.py b/libcloud/compute/drivers/gandi.py
index 1278173..8d311bf 100644
--- a/libcloud/compute/drivers/gandi.py
+++ b/libcloud/compute/drivers/gandi.py
@@ -64,7 +64,7 @@
         'disk': 50,
         'bandwidth': 100,
     },
-    'extra-large': {
+    'x-large': {
         'id': 'x-large',
         'name': 'Extra Large instance',
         'cpu': 4,