Unit tests error: test_modifyingfile: undefined method `alias='

Binary package hint: puppet

While trying to run the puppet test suite on Ubuntu Lucid the following error was thrown:

16) Error:

test_modifyingfile(TestParsedHostProvider):
NoMethodError: undefined method `alias=' for #<Puppet::Type::Host::ProviderParsed:0x7f8c7550fb00>
./ral/providers/host/parsed.rb:62:in `send'
./ral/providers/host/parsed.rb:62:in `mkhost'
./ral/providers/host/parsed.rb:61:in `each'
./ral/providers/host/parsed.rb:61:in `mkhost'
./ral/providers/host/parsed.rb:192:in `test_modifyingfile'
./ral/providers/host/parsed.rb:191:in `times'
./ral/providers/host/parsed.rb:191:in `test_modifyingfile'
/usr/lib/ruby/1.8/mocha/integration/test_unit/ruby_version_186_and_above.rb:19:in `__send__'
/usr/lib/ruby/1.8/mocha/integration/test_unit/ruby_version_186_and_above.rb:19:in `run'

http://projects.reductivelabs.com/issues/3311