FIX: Rollback when multisite tests raise exceptions

spec/rails_helper.rb

@@ -264,19 +264,11 @@ RSpec.configure do |config|
   # force a rollback after using a multisite connection.
   def test_multisite_connection(name)
     RailsMultisite::ConnectionManagement.with_connection(name) do
-      spec_exception = nil
+      ActiveRecord::Base.transaction(joinable: false) do
-
-      ActiveRecord::Base.transaction do
-        begin
         yield
-        rescue Exception => spec_exception
-        ensure
         raise ActiveRecord::Rollback
       end
     end
-
-      raise spec_exception if spec_exception
-    end
   end
 
 end