test/scientist_test.rb in boson-1.1.1 vs test/scientist_test.rb in boson-1.2.0

@@ -150,11 +150,10 @@
       assert_error(*args) { command_with_arg_size }
       assert_error(*args) { command_with_arg_size '' }
     end
 
     it "with too many args raises CommandArgumentError" do
-      args3 = RUBY_DESCRIPTION.include?('rubinius') ?
-        [ArgumentError, 'given 3, expected 2'] :
+      args3 = RUBY_ENGINE == 'rbx' ? [ArgumentError, 'given 3, expected 2'] :
         [ArgumentError, '3 for 2']
       args4 = [OptionCommand::CommandArgumentError, '4 for 2']
       assert_error(*args3) { command_with_args 1,2,3 }
       assert_error(*args4) { command_with_args '1 2 3' }
       assert_error(*args3) { command_with_arg_size 1,2,3 }