Use Cucumber::Core::Report::Summary to calculate the exit code

Author: brasmusson

lib/cucumber/runtime.rb

@@ -229,8 +229,7 @@ def failure?
       if @configuration.wip?
         summary_report.test_cases.total_passed > 0
       else
-        summary_report.test_cases.total_failed > 0 || summary_report.test_steps.total_failed > 0 ||
-          (@configuration.strict? && (summary_report.test_steps.total_undefined > 0 || summary_report.test_steps.total_pending > 0))
+        !summary_report.ok?(@configuration.strict?)
       end
     end
     public :failure?