Rails Ruby on Rails

Get following failed test for test_timestamp_with_zone_values_without_rails_time_zone_support test in datatype_test_postgresql.rb

 1) Failure:
test_timestamp_with_zone_values_without_rails_time_zone_support(PostgresqlDataTypeTest)
    [./test/cases/datatype_test_postgresql.rb:237:in `test_timestamp_with_zone_values_without_rails_time_zone_support'
     /Users/anil/Code/rails/rails/activesupport/lib/active_support/testing/setup_and_teardown.rb:67:in `__send__'
     /Users/anil/Code/rails/rails/activesupport/lib/active_support/testing/setup_and_teardown.rb:67:in `run'
     /Users/anil/Code/rails/rails/activesupport/lib/active_support/callbacks.rb:413:in `_run_setup_callbacks'
     /Users/anil/Code/rails/rails/activesupport/lib/active_support/testing/setup_and_teardown.rb:65:in `run']:
<Fri Jan 01 11:00:00 UTC 2010> expected but was
<Fri Jan 01 16:00:00 +0530 2010>.

So here, need to assert local timezone time value in different way. As :local is different for different zones.

Can somebody point me how to assert time for local timezone?