use fake time instead of real time when measuring against inservice_time_allowed

lib/aws-missing-tools/aws-ha-release/aws-ha-release.rb

@@ -97,20 +97,10 @@ module AwsMissingTools
       @group.auto_scaling_instances.each do |instance|
         time_taken = 0
 
-        begin
-          Timeout::timeout(@opts[:inservice_time_allowed]) do
-
         until all_instances_inservice_for_time_period?(@group.load_balancers, INSERVICE_POLLING_TIME)
           puts "#{time_taken} seconds have elapsed while waiting for all instances to be InService for a minimum of #{@opts[:min_inservice_time]} seconds."
 
-              time_taken += INSERVICE_POLLING_TIME
+          if time_taken >= @opts[:inservice_time_allowed]
-              sleep INSERVICE_POLLING_TIME
-            end
-
-            puts "\nThe new instance was found to be healthy; one old instance will now be removed from the load balancers."
-            deregister_instance instance.ec2_instance, @group.load_balancers
-          end
-        rescue Timeout::Error => e
             puts "\nDuring the last #{time_taken} seconds, a new AutoScaling instance failed to become healthy."
             puts "The following settings were changed and will not be changed back by this script:\n"
 
@@ -122,7 +112,14 @@ module AwsMissingTools
             end
 
             raise
+          else
+            time_taken += INSERVICE_POLLING_TIME
+            sleep INSERVICE_POLLING_TIME
           end
+        end
+
+        puts "\nThe new instance was found to be healthy; one old instance will now be removed from the load balancers."
+        deregister_instance instance.ec2_instance, @group.load_balancers
 
         puts "Sleeping for the ELB Timeout period of #{@opts[:elb_timeout]}"
         sleep @opts[:elb_timeout]