Add a volume from snapshot test case

Fixes bug #1034513

Change-Id: Ie37a0ae59c2dc2d805113c73a824951acef13663
diff --git a/tempest/exceptions.py b/tempest/exceptions.py
index 6b9ce74..fca2d2d 100644
--- a/tempest/exceptions.py
+++ b/tempest/exceptions.py
@@ -86,6 +86,10 @@
     message = "Volume %(volume_id)s failed to build and is in ERROR status"
 
 
+class SnapshotBuildErrorException(TempestException):
+    message = "Snapshot %(snapshot_id)s failed to build and is in ERROR status"
+
+
 class BadRequest(RestClientException):
     message = "Bad request"