Correct condition for 1.8ness

test/test_default_commands/test_find_method.rb

@@ -5,7 +5,7 @@ require 'helper'
 # methods (in an attempt to find a match) it runs 'exit' and aborts
 # the test, causing a failure. We should fix this in the future by
 # blacklisting certain methods for 1.8 MRI (such as exit, fork, and so on) 
-if !(RUBY_VERSION["1.8"] && !defined?(RUBY_ENGINE))
+unless Pry::Helpers::BaseHelpers.mri_18?
   MyKlass = Class.new do
     def hello
       "timothy"