Refactor NodeAttrib to be AttribInstance instead [2/2]



 .../app/models/test/attrib_instance_test.rb        |   22 ++++++---
 .../test/unit/attrib_instance_test_model_test.rb   |   52 ++++++++++++++++++++
 2 files changed, 66 insertions(+), 8 deletions(-)

Crowbar-Pull-ID: 25328af38f2732f1a16376365b19fb775ffc745f

Crowbar-Release: development