> Converting from RubyUnit to Test::Unit is pretty easy.  Generally it
> involves ...
>
> 1) Changing "require 'runit'" to "require 'test/unit'".
>
> 2) Changing
>      class TestXYZ < RUNIT::TestCase
>    to
>      class TestXYZ < Test::Unit::Testcase
>
> 3) Change and "assert_equals" to "assert_equal", and any
>    "assert_exception" to "assert_raises"

IIRC,

4) changing setup to set_up (and teardown to tear_down ... ? can't remember)

Chris