- assert RequestToken.new.oob?
- assert RequestToken.new(:callback_url => "oob").oob?
- assert RequestToken.new(:callback_url => "OOB").oob?
+ assert_predicate RequestToken.new, :oob?
+ assert_predicate RequestToken.new(:callback_url => "oob"), :oob?
+ assert_predicate RequestToken.new(:callback_url => "OOB"), :oob?