Return a non zero code when can not connect to redis in CI

activejob/test/support/integration/adapters/resque.rb

@@ -7,7 +7,8 @@ def setup
     Resque.logger = Rails.logger
     unless can_run?
       puts "Cannot run integration tests for resque. To be able to run integration tests for resque you need to install and start redis.\n"
-      exit
+      status = ENV["CI"] ? false : true
+      exit status
     end
   end
 

activejob/test/support/integration/adapters/sidekiq.rb

@@ -18,7 +18,8 @@ def setup
     ActiveJob::Base.queue_adapter = :sidekiq
     unless can_run?
       puts "Cannot run integration tests for sidekiq. To be able to run integration tests for sidekiq you need to install and start redis.\n"
-      exit
+      status = ENV["CI"] ? false : true
+      exit status
     end
   end