disable transactions for this test

activerecord/test/cases/migration/logger_test.rb

@@ -3,13 +3,16 @@
 module ActiveRecord
   class Migration
     class LoggerTest < ActiveRecord::TestCase
+      # mysql can't roll back ddl changes
+      self.use_transactional_fixtures = false
+
       Migration = Struct.new(:name, :version) do
         def migrate direction
           # do nothing
         end
       end
 
-      def initialize(*args)
+      def setup
         super
         ActiveRecord::SchemaMigration.create_table
         ActiveRecord::SchemaMigration.delete_all