Remove gratuitous filter_chain internal testing. Not part of the API and other...

Remove gratuitous filter_chain internal testing. Not part of the API and other tests are sufficient to catch regressions.

actionpack/test/controller/filters_test.rb

 require 'abstract_unit'
 
-# FIXME: crashes Ruby 1.9
 class FilterTest < Test::Unit::TestCase
   include ActionController::TestProcess
 
@@ -141,14 +140,6 @@ class ConditionalOptionsFilter < ConditionalFilterController
     before_filter :clean_up_tmp, :if => Proc.new { |c| false }
   end
 
-  class EmptyFilterChainController < TestController
-    self.filter_chain.clear
-    def show
-      @action_executed = true
-      render :text => "yawp!"
-    end
-  end
-
   class PrependingController < TestController
     prepend_before_filter :wonderful_life
     # skip_before_filter :fire_flash
@@ -455,12 +446,6 @@ def test_after_filters_are_not_run_if_around_filter_does_not_yield
     assert_equal ["filter_one", "zomg it didn't yield"], controller.assigns['filters']
   end
 
-  def test_empty_filter_chain
-    assert_equal 0, EmptyFilterChainController.filter_chain.size
-    test_process(EmptyFilterChainController)
-    assert @controller.template.assigns['action_executed']
-  end
-
   def test_added_filter_to_inheritance_graph
     assert_equal [ :ensure_login ], TestController.before_filters
   end
@@ -614,7 +599,6 @@ def test_dynamic_dispatch
   end
 
   def test_running_prepended_before_and_after_filter
-    assert_equal 3, PrependingBeforeAndAfterController.filter_chain.length
     test_process(PrependingBeforeAndAfterController)
     assert_equal %w( before_all between_before_all_and_after_all after_all ), @controller.template.assigns["ran_filter"]
   end
@@ -818,15 +802,6 @@ class YieldingAroundFiltersTest < Test::Unit::TestCase
   include PostsController::AroundExceptions
   include ActionController::TestProcess
 
-  def test_filters_registering
-    assert_equal 1, ControllerWithFilterMethod.filter_chain.size
-    assert_equal 1, ControllerWithFilterClass.filter_chain.size
-    assert_equal 1, ControllerWithFilterInstance.filter_chain.size
-    assert_equal 3, ControllerWithSymbolAsFilter.filter_chain.size
-    assert_equal 6, ControllerWithNestedFilters.filter_chain.size
-    assert_equal 4, ControllerWithAllTypesOfFilters.filter_chain.size
-  end
-
   def test_base
     controller = PostsController
     assert_nothing_raised { test_process(controller,'no_raise') }