added unapproval+upload functional test

app/models/unapproval.rb

@@ -3,4 +3,10 @@ class Unapproval < ActiveRecord::Base
   
   belongs_to :unapprover, :class_name => "User"
   validates_presence_of :reason, :unapprover_id, :unapprover_ip_addr
+  before_validation :initialize_unapprover, :on => :create
+  
+  def initialize_unapprover
+    self.unapprover_id = CurrentUser.id
+    self.unapprover_ip_addr = CurrentUser.ip_addr
+  end
 end