Revert "Merge pull request #27925 from robin850/hwia-removal"

Pointed out by @matthewd that the HWIA subclass changes the
AS scoped class and top-level HWIA hierarchies out from under
existing classes.

This reverts commit 71da39097b67114329be6d8db7fe6911124531af, reversing
changes made to 41c33bd4b2ec3f4a482e6030b6fda15091d81e4a.

1 files changed, 0 insertions, 23 deletions

diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb
index 042bb60a22..05813ad388 100644
--- a/activesupport/test/core_ext/hash_ext_test.rb
+++ b/activesupport/test/core_ext/hash_ext_test.rb
@@ -8,8 +8,6 @@ require "active_support/core_ext/object/deep_dup"
 require "active_support/inflections"
 
 class HashExtTest < ActiveSupport::TestCase
-  HashWithIndifferentAccess = ActiveSupport::HashWithIndifferentAccess
-
   class IndifferentHash < ActiveSupport::HashWithIndifferentAccess
   end
 
@@ -1080,25 +1078,6 @@ class HashExtTest < ActiveSupport::TestCase
     assert_equal 1, hash[:a]
     assert_equal 3, hash[:b]
   end
-
-  def test_top_level_hash_with_indifferent_access_is_deprecated
-    assert_deprecated do
-      ::HashWithIndifferentAccess.new
-    end
-  end
-
-  def test_top_level_hash_with_indifferent_access_can_be_extended
-    assert_deprecated do
-      Class.new(::HashWithIndifferentAccess)
-    end
-  end
-
-  def test_yaml_encoding_outputs_an_activesupport_namespaced_constant
-    ActiveSupport::Deprecation.silence do
-      instance = ::HashWithIndifferentAccess.new
-      assert_includes instance.to_yaml, "ActiveSupport::HashWithIndifferentAccess"
-    end
-  end
 end
 
 class IWriteMyOwnXML
@@ -1144,8 +1123,6 @@ class HashExtToParamTests < ActiveSupport::TestCase
 end
 
 class HashToXmlTest < ActiveSupport::TestCase
-  HashWithIndifferentAccess = ActiveSupport::HashWithIndifferentAccess
-
   def setup
     @xml_options = { root: :person, skip_instruct: true, indent: 0 }
   end