Fix migrations testing support RSpec hooks order

spec/spec_helper.rb

@@ -106,16 +106,14 @@ RSpec.configure do |config|
     Sidekiq.redis(&:flushall)
   end
 
-  config.around(:example, :migration) do |example|
-    begin
+  config.before(:example, :migration) do
     ActiveRecord::Migrator
       .migrate(migrations_paths, previous_migration.version)
+  end
 
-      example.run
-    ensure
+  config.after(:example, :migration) do
     ActiveRecord::Migrator.migrate(migrations_paths)
   end
-  end
 
   config.around(:each, :nested_groups) do |example|
     example.run if Group.supports_nested_groups?