1 files changed, 3 insertions, 3 deletions
diff --git a/activerecord/test/cases/transactions_test.rb b/activerecord/test/cases/transactions_test.rb
index 7160e8324d..72c07d8aea 100644
--- a/activerecord/test/cases/transactions_test.rb
+++ b/activerecord/test/cases/transactions_test.rb
@@ -13,7 +13,7 @@ class TransactionTest < ActiveRecord::TestCase
   fixtures :topics, :developers, :authors, :posts
 
   def setup
-    @first, @second = Topic.find(1, 2).sort_by { |t| t.id }
+    @first, @second = Topic.find(1, 2).sort_by(&:id)
   end
 
   def test_persisted_in_a_model_with_custom_primary_key_after_failed_save
@@ -699,7 +699,7 @@ if current_adapter?(:PostgreSQLAdapter)
           end
         end
 
-        threads.each { |t| t.join }
+        threads.each(&:join)
       end
     end
 
@@ -747,7 +747,7 @@ if current_adapter?(:PostgreSQLAdapter)
           Developer.connection.close
         end
 
-        threads.each { |t| t.join }
+        threads.each(&:join)
       end
 
       assert_equal original_salary, Developer.find(1).salary