Ruby 1.9.3 ломает rake test

У меня есть существующий проект rails 3, который работает просто отлично на ruby ​​1.9.2-p290. Однако при обновлении до ruby ​​1.9.3-p0 rake test выдает следующую ошибку:

/Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/test/unit.rb:167:in `block in non_options': file not found: test/unit/**/*_test.rb (ArgumentError)
from /Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/test/unit.rb:146:in `map!'
from /Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/test/unit.rb:146:in `non_options'
from /Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/test/unit.rb:207:in `non_options'
from /Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/test/unit.rb:52:in `process_args'
from /Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/minitest/unit.rb:891:in `_run'
from /Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/minitest/unit.rb:884:in `run'
from /Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/test/unit.rb:21:in `run'
from /Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/test/unit.rb:326:in `block (2 levels) in autorun'
from /Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/test/unit.rb:27:in `run_once'
from /Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/test/unit.rb:325:in `block in autorun'
/Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/test/unit.rb:167:in `block in non_options': file not found: test/functional/**/*_test.rb (ArgumentError)
from /Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/test/unit.rb:146:in `map!'
from /Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/test/unit.rb:146:in `non_options'
from /Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/test/unit.rb:207:in `non_options'
from /Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/test/unit.rb:52:in `process_args'
from /Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/minitest/unit.rb:891:in `_run'
from /Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/minitest/unit.rb:884:in `run'
from /Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/test/unit.rb:21:in `run'
from /Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/test/unit.rb:326:in `block (2 levels) in autorun'
from /Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/test/unit.rb:27:in `run_once'
from /Users/zmanji/.rbenv/versions/1.9.3-p0/lib/ruby/1.9.1/test/unit.rb:325:in `block in autorun'

Похоже, это следствие этой проблемы rake . Однако, когда я создаю простой проект рельсов на Ruby 1.9.3, возникает такая ошибка. Что я могу сделать, чтобы мой проект rails работал на Ruby 1.9.3?