rspec errors

gistfile1.txt

  1) BatchController#update should not be editable
     Failure/Error: ability.can?(:edit, @file2).should be_false
       expected: false value
            got: true
     # ./spec/controllers/batch_controller_spec.rb:47:in `block (3 levels) in <top (required)>'

  2) BatchController#update when user does not have edit permissions on a file should not modify the object
     Failure/Error: file.title.should == ["Original Title"]
       expected: ["Original Title"]
            got: ["Title Wont Change"] (using ==)
     # ./spec/controllers/batch_controller_spec.rb:115:in `block (4 levels) in <top (required)>'

  3) GenericFilesController#create should create and save a file asset from the given params
     Failure/Error: saved_file.date_uploaded.should have_at_least(1).items
     NoMethodError:
       undefined method `items' for Mon, 04 Feb 2013:Date
     # ./spec/controllers/generic_files_controller_spec.rb:90:in `block (3 levels) in <top (required)>'