@gaul, could you have a look at the failures, as most of them appear in the filesystem provider and S3 classes?
It looks as though BlobMetadata.getTier is returning null, even though according to the interface definition [1] it should be non-null?
Regards ap[1] https://github.com/jclouds/jclouds/blob/master/blobstore/src/main/java/org/jclouds/blobstore/domain/BlobMetadata.java#L49
