Changed min size for msinstance.

tests/test_partitions.py

@@ -34,7 +34,7 @@ paths = [
     {
         'mount_point': '/home/msuser/msinstance',
         'recommended_types': ('ext4', 'nfs', 'nfsv4'),
-        'min_size_gbytes': 400,
+        'min_size_gbytes': 300,
         'min_available_gbytes': 15,
     },
     {