'Unique identifier for this extension+version so that reviewers can
install different versions of the same non-public add-ons side by side
for testing, and it won\'t conflict with the "real" public add-on.
Used in signing and in the reviewer-specific mini-manifest.'

@property
def review_id(self):

    return 'reviewer-{guid}-{version_id}'.format(guid=self.extension.uuid, version_id=self.pk)
