To run the whole test suite:
$ rails test
To run the test file(s):
$ rails test test/unit/foo_test.rb [test/unit/bar_test.rb ...]
To run the test suite
$ rails test [models,helpers,units,controllers,mailers,...]
For more information, see `rails test --help`.
This command will eventually replacing `rake test:*`, and `rake test`
command will actually invoking `rails test` instead.
