Since Foxy Fixtures is built in to Rails 2.0, the default functional test scaffold will fail, because it references hardcoded model IDs of 1.
http://dev.rubyonrails.org/browser/trunk/railties/lib/rails_generator/generators/components/scaffold/templates/functional_test.rb
For example:
def test_should_show_<%= file_name %>
get :show, :id => 1
assert_response :success
end
The get line should be changed to reference the fixture. I'm not sure how that's done, but maybe something like this:
def test_should_show_<%= file_name %>
get :show, :id => <%= file_name.pluralize %>(:one).id
assert_response :success
end
All of the tests in that file that reference an ID of 1 should be corrected.