Remove sidekiq build queue and assign pipeline queue

app/workers/build_coverage_worker.rb

 class BuildCoverageWorker
   include Sidekiq::Worker
-  include BuildQueue
+  include PipelineQueue
+
+  enqueue_in group: :processing
   def perform(build_id)
     Ci::Build.find_by(id: build_id)&.update_coverage

app/workers/build_finished_worker.rb

 class BuildFinishedWorker
   include Sidekiq::Worker
-  include BuildQueue
+  include PipelineQueue
+
+  enqueue_in group: :processing
   def perform(build_id)
     Ci::Build.find_by(id: build_id).try do |build|

app/workers/build_hooks_worker.rb

 class BuildHooksWorker
   include Sidekiq::Worker
-  include BuildQueue
+  include PipelineQueue
+
+  enqueue_in group: :hooks
   def perform(build_id)
     Ci::Build.find_by(id: build_id)

app/workers/build_success_worker.rb

 class BuildSuccessWorker
   include Sidekiq::Worker
-  include BuildQueue
+  include PipelineQueue
+
+  enqueue_in group: :processing
   def perform(build_id)
     Ci::Build.find_by(id: build_id).try do |build|

app/workers/concerns/build_queue.rb

-# Concern for setting Sidekiq settings for the various CI build workers.
-module BuildQueue
-  extend ActiveSupport::Concern
-
-  included do
-    sidekiq_options queue: :build
-  end
-end

app/workers/expire_job_cache_worker.rb

 class ExpireJobCacheWorker
   include Sidekiq::Worker
-  include BuildQueue
+  include PipelineQueue
+
+  enqueue_in group: :cache
   def perform(job_id)
     job = CommitStatus.joins(:pipeline, :project).find_by(id: job_id)

spec/workers/build_coverage_worker_spec.rb

@@ -20,4 +20,6 @@
       end
     end
   end
+
+  it_behaves_like 'sidekiq_worker'
 end

spec/workers/build_finished_worker_spec.rb

@@ -27,4 +27,6 @@
       end
     end
   end
+
+  it_behaves_like 'sidekiq worker'
 end

spec/workers/build_hooks_worker_spec.rb

@@ -20,4 +20,6 @@
       end
     end
   end
+
+  it_behaves_like 'sidekiq worker'
 end

spec/workers/build_success_worker_spec.rb

@@ -33,4 +33,6 @@
       end
     end
   end
+
+  it_behaves_like 'sidekiq worker'
 end

spec/workers/concerns/build_queue_spec.rb

-require 'spec_helper'
-
-describe BuildQueue do
-  let(:worker) do
-    Class.new do
-      include Sidekiq::Worker
-      include BuildQueue
-    end
-  end
-
-  it 'sets the queue name of a worker' do
-    expect(worker.sidekiq_options['queue'].to_s).to eq('build')
-  end
-end

spec/workers/expire_job_cache_worker_spec.rb

@@ -28,4 +28,6 @@
       end
     end
   end
+
+  it_behaves_like 'sidekiq worker'
 end