# File test/test_DocumentTable.rb, line 488
    def test_add_filter_string
      entry = {
        :params => @mount_params,
        :filter_selected => 'Apple',
        :pos => 0
      }
      @mask = 'mount_mask'
      @DocumentTable.entry = entry
      assert_equal('Apple', @DocumentTable.filter_selected)
      @DocumentTable.filter_selected = 'Banana'
      assert_equal('Banana', @DocumentTable.filter_selected)
      assert_equal('Banana', entry[:filter_selected])
      @DocumentTable.add_filter
      assert_equal(1, @add_filter_pos_call)
      assert_equal(1, @driver_call)
      assert_equal(1, @redirect_call)
      assert_equal('SetupFilter', @redirect_page_name)
      assert_equal({ 'filter' => 'Banana',
                     'pos' => '3',
                     'path' => '/mount_path',
                     'mask' => 'string:mount_mask',
                     'vhost' => 'www.foo.org'
                   }, @redirect_query_params)
    end