anchor.diff:  
   == Kube RBAC
   
  -Release 2.7 added a *rbac.yaml* file to capture the Kube RBAC
  +Release 2.6 added a *rbac.yaml* file to capture the Kube RBAC
   rules applied to enable the *apiserver* and *postgres-operator*
   containers access to the Kube resources required for
   the operator to work.
  
positive.code: readonlyuser:testpass:pgoreader
  ....
  
  To match the behavior of the pre 2.7 releases, the *pgadmin* role
  is set on the previous user definitions, but a *readonlyuser* is
  now defined to test other role definitions.
  
  
negative.code: 
  == Application RBAC
  
  Release 2.6 added an RBAC capability to secure the *pgo*
  application.  
  
  === Required Changes
  