Model.load tests. Also, added missing list_domain variable to a previous test.
Model.load tests.
Also, added missing list_domain variable to a previous test.

eomahony/Numberjack,JElchison/Numberjack,eomahony/Numberjack,eomahony/Numberjack,JElchison/Numberjack,JElchison/Numberjack,JElchison/Numberjack,eomahony/Numberjack,eomahony/Numberjack,JElchison/Numberjack