anchor.diff:  
   [source, JSON]
   ----
  -Key: Associations:GrandMother_grandChildren:grandChildren:86ada718-f2a2-4299-b6ac-3d90b1ef2331
  +Key: Associations:GrandMother_grandChildren:86ada718-f2a2-4299-b6ac-3d90b1ef2331:grandChildren
   
   [ "Luke", "Leia" ]
   ----
  
positive.code: ====
  [source, JSON]
  ----
  Key: Associations:AccountOwner:BankAccount:4f5b48ad-f074-4a64-8cf4-1f9c54a33f76
  [
      "7873a2a7-c77c-447c-b000-890f0a4dfa9a"
  ]
  
negative.code: The first is the key. The key consists of a prefix, the identifier information
  of the association owner, and the name of the association table.
  
  "Associations:<%ASSOCIATION_TABLE%>:<%ASSOCIATION_ID%>:<%COLLECTION_ROLE%>", e.g. "Associations:AccountOwner:4f5b48ad-f074-4a64-8cf4-1f9c54a33f76:BankAccount".
  
  The second part is the `rows` field which stores (into an embedded collection) all ids
  that the current instance is related to.
  