Merge pull request rails#49037 from etiennebarrie/fix-test-leak

Fix test leak

activerecord/test/cases/integration_test.rb

@@ -103,25 +103,18 @@ def test_to_param_for_a_composite_primary_key_model
   end
 
   def test_param_delimiter_changes_delimiter_used_in_to_param
-    old_delimiter = Cpk::Order.param_delimiter
-    Cpk::Order.param_delimiter = ","
-    assert_equal("1,123", Cpk::Order.new(id: [1, 123]).to_param)
-  ensure
-    Cpk::Order.param_delimiter = old_delimiter
+    Cpk::Order.with(param_delimiter: ",") do
+      assert_equal("1,123", Cpk::Order.new(id: [1, 123]).to_param)
+    end
   end
 
   def test_param_delimiter_is_defined_per_class
-    old_order_delimiter = Cpk::Order.param_delimiter
-    old_book_delimiter = Cpk::Book.param_delimiter
-
-    Cpk::Order.param_delimiter = ","
-    Cpk::Book.param_delimiter = ";"
-
-    assert_equal("1,123", Cpk::Order.new(id: [1, 123]).to_param)
-    assert_equal("1;123", Cpk::Book.new(id: [1, 123]).to_param)
-  ensure
-    Cpk::Order.param_delimiter = old_order_delimiter
-    Cpk::Order.param_delimiter = old_book_delimiter
+    Cpk::Order.with(param_delimiter: ",") do
+      Cpk::Book.with(param_delimiter: ";") do
+        assert_equal("1,123", Cpk::Order.new(id: [1, 123]).to_param)
+        assert_equal("1;123", Cpk::Book.new(id: [1, 123]).to_param)
+      end
+    end
   end
 
   def test_cache_key_for_existing_record_is_not_timezone_dependent