Adding ActiveJob RSpec helper for using Test queue adapter.

app/jobs/application_job.rb

@@ -11,6 +11,9 @@ class ApplicationJob < ActiveJob::Base
   # until we resolve this dependency.
   around_enqueue do |job, block|
     block.call.tap do |delayed_job|
+      # skip test adapter
+      break if delayed_job.is_a?(Array)
+
       delayed_job.update!(attempts: job.executions)
     end
   end

spec/support/active_job.rb

@@ -0,0 +1,38 @@
+module ZammadActiveJobHelper
+
+  delegate :enqueued_jobs, :performed_jobs, to: :queue_adapter
+
+  def queue_adapter
+    ::ActiveJob::Base.queue_adapter
+  end
+
+  def clear_jobs
+    enqueued_jobs.clear
+    performed_jobs.clear
+  end
+end
+
+RSpec.configure do |config|
+
+  activate_for = {
+    type:          :job, # actual Job examples
+    performs_jobs: true, # examples performing Jobs
+  }
+
+  activate_for.each do |key, value|
+    config.include ZammadActiveJobHelper, key => value
+    config.include RSpec::Rails::JobExampleGroup, key => value
+
+    config.around(:each, key => value) do |example|
+
+      default_queue_adapter           = ::ActiveJob::Base.queue_adapter
+      ::ActiveJob::Base.queue_adapter = :test
+
+      clear_jobs
+
+      example.run
+
+      ::ActiveJob::Base.queue_adapter = default_queue_adapter
+    end
+  end
+end