Redmine

The attached patch fixes the following error.

$ RAILS_ENV=test bin/rake db:reset
$ bin/rails test test/unit/role_test.rb
Run options: --seed 24409

# Running:

E

Error:
RoleTest#test_destroy:
ActiveRecord::RecordNotFound: Couldn't find User with 'id'=1
    test/object_helpers.rb:231:in `generate!'
    test/unit/role_test.rb:160:in `test_destroy'

rails test test/unit/role_test.rb:156