Reset CurrentAttributes on each rails example

lib/rspec/rails/example/rails_example_group.rb

@@ -3,6 +3,7 @@
 require 'rspec/rails/matchers'
 
 if ::Rails::VERSION::MAJOR >= 7
+  require 'active_support/current_attributes/test_helper'
   require 'active_support/execution_context/test_helper'
 end
 
@@ -18,6 +19,7 @@ module RailsExampleGroup
       include RSpec::Rails::FixtureSupport
       if ::Rails::VERSION::MAJOR >= 7
         include RSpec::Rails::TaggedLoggingAdapter
+        include ActiveSupport::CurrentAttributes::TestHelper
         include ActiveSupport::ExecutionContext::TestHelper
       end
     end

spec/rspec/rails/example/rails_example_group_spec.rb

@@ -1,9 +1,7 @@
 module RSpec::Rails
   RSpec.describe RailsExampleGroup do
-    if ::Rails::VERSION::MAJOR >= 7
-      it 'supports tagged_logger' do
-        expect(described_class.private_instance_methods).to include(:tagged_logger)
-      end
+    it 'supports tagged_logger', if: ::Rails::VERSION::MAJOR >= 7 do
+      expect(described_class.private_instance_methods).to include(:tagged_logger)
     end
 
     it 'does not leak context between example groups', if: ::Rails::VERSION::MAJOR >= 7 do
@@ -32,5 +30,31 @@ module RSpec::Rails
 
       expect(results).to all be true
     end
+
+    it 'will not leak ActiveSupport::CurrentAttributes between examples', if: ::Rails::VERSION::MAJOR >= 7 do
+      group =
+        RSpec::Core::ExampleGroup.describe("A group", order: :defined) do
+          include RSpec::Rails::RailsExampleGroup
+
+          # rubocop:disable Lint/ConstantDefinitionInBlock
+          class CurrentSample < ActiveSupport::CurrentAttributes
+            attribute :request_id
+          end
+          # rubocop:enable Lint/ConstantDefinitionInBlock
+
+          it 'sets a current attribute' do
+            CurrentSample.request_id = '123'
+            expect(CurrentSample.request_id).to eq('123')
+          end
+
+          it 'does not leak current attributes' do
+            expect(CurrentSample.request_id).to eq(nil)
+          end
+        end
+
+      expect(
+        group.run(failure_reporter) ? true : failure_reporter.exceptions
+      ).to be true
+    end
   end
 end