Add a spec for an error condition, 100% coverage in object_graph.rb
Add a spec for an error condition, 100% coverage in object_graph.rb

tmm1/sequel,seeARMS/sequel,uhoh-itsmaciek/sequel,petergunz/sequel,nju520/sequel,beni55/sequel,offshore-safety/sequel,chef/sequel,knut2/sequel,uhoh-itsmaciek/sequel,nicohvi/sequel,Marketcircle/sequel,t-morgan/sequel,pfarrell/sequel,gferguson-gd/sequel,mpalmer/sequel,yazshel/sequel,freshpay/sequel,dennis-d/custom_sequel,freshpay/sequel,offshore-safety/sequel,seeARMS/sequel,beni55/sequel,bigfix/sequel,t-morgan/sequel,pfarrell/sequel,yazshel/sequel,davidbegin/sequel,reubano/sequel,dennis-d/custom_sequel,nicohvi/sequel,knut2/sequel,offshore-safety/sequel,nju520/sequel,reubano/sequel,davidbegin/sequel,mpalmer/sequel,gferguson-gd/sequel