update test_invalid_argument_fault to test VIM exception type
update test_invalid_argument_fault to test VIM exception type

frapposelli/vagrant-rbvmomi,jusko/rbvmomi,synthead/rbvmomi,rapid7/rbvmomi,10xEngineer/rbvmomi,10xEngineer/rbvmomi,vmware/rbvmomi,frapposelli/vagrant-rbvmomi,synthead/rbvmomi,rcorrieri/rbvmomi,omar-infinio/rbvmomi,rlane/rbvmomi,rlane/rbvmomi,logankimmel/rbvmomi,rapid7/rbvmomi,jusko/rbvmomi