Fixed bug order.profit calculation.

Order.profit will also be saved, when order is closed.

test/unit/task_test.rb

@@ -1,3 +1,20 @@
+# == Schema Information
+# Schema version: 20090317175355
+#
+# Table name: tasks
+#
+#  id             :integer         not null, primary key
+#  name           :string(255)     default(""), not null
+#  description    :string(255)
+#  due_date       :date
+#  done           :boolean
+#  workgroup_id   :integer
+#  assigned       :boolean
+#  created_on     :datetime        not null
+#  updated_on     :datetime        not null
+#  required_users :integer         default(1)
+#
+
 require File.dirname(__FILE__) + '/../test_helper'
 
 class TaskTest < Test::Unit::TestCase