features/support/firewall_helper.rb in message-driver-0.6.1 vs features/support/firewall_helper.rb in message-driver-0.7.0

@@ -18,11 +18,11 @@
       ],
       teardown: [
         'sudo service rabbitmq-server start'
       ]
     }
-  }
+  }.freeze
 
   def block_broker_port
     run_commands(:setup)
     @firewall_rule_set = true
   end
@@ -33,10 +33,10 @@
   end
 
   def run_commands(step)
     COMMANDS[os][step].each do |cmd|
       result = system(cmd)
-      fail "command `#{cmd}` failed!" unless result
+      raise "command `#{cmd}` failed!" unless result
     end
   end
 
   def os
     if darwin?