1) Failure:
test_validate_uniqueness(UniquenessValidationTest)
    [./test/cases/validations/uniqueness_validation_test.rb:54:in `test_validate_uniqueness'
     ./test/cases/../../lib/../../activemodel/lib/../../activesupport/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
     ./test/cases/../../lib/../../activemodel/lib/../../activesupport/lib/active_support/testing/setup_and_teardown.rb:62:in `run']:
Shouldn't be valid.
<false> is not true.

  2) Failure:
test_validate_uniqueness_with_limit_and_utf8(UniquenessValidationTest)
    [./test/cases/validations/uniqueness_validation_test.rb:247:in `test_validate_uniqueness_with_limit_and_utf8'
     ./test/cases/../../lib/active_record/test_case.rb:57:in `with_kcode'
     ./test/cases/validations/uniqueness_validation_test.rb:242:in `test_validate_uniqueness_with_limit_and_utf8'
     ./test/cases/../../lib/../../activemodel/lib/../../activesupport/lib/active_support/testing/setup_and_teardown.rb:62:in `__send__'
     ./test/cases/../../lib/../../activemodel/lib/../../activesupport/lib/active_support/testing/setup_and_teardown.rb:62:in `run']:
Created an event whose title, with limit taken into account, is not unique.
<false> is not true.