anchor.diff:                      method => put,
                       path => Path,
                       body => Body,
  -                    auth => {user, TestUser}
  +                    auth => TestUser
                   },
                   expect => #{
                       code => 204
  
positive.code:                 method => put,
                  path => Path,
                  body => #{<<"privileges">> => Privileges},
                  auth => {user, Admin}
              },
              expect => #{
                  code => 204
  
negative.code:                 request => #{
                      method => delete,
                      path => Path,
                      auth =>  TestUser
                  },
                  expect => #{
                      code => 202
  