Integrate auction

Closes #874

test/tasks/domains/release_test.rb

@@ -0,0 +1,19 @@
+require 'test_helper'
+
+class ReleaseDomainsTaskTest < ActiveSupport::TestCase
+  setup do
+    @domain = domains(:shop)
+  end
+
+  def test_output
+    @domain.update!(delete_at: Time.zone.parse('2010-07-05 07:59'))
+    travel_to Time.zone.parse('2010-07-05 08:00')
+    assert_output("shop.test is released\nReleased total: 1\n") { run_task }
+  end
+
+  private
+
+  def run_task
+    Rake::Task['domains:release'].execute
+  end
+end