extra dot-dsl tests
extra dot-dsl tests

These extra 2 tests helped me implement the solution more
incrementally and I thought it would help others too.

Egogre/xelixir,elasticdog/xelixir,cezarykosko/xelixir,tjcelaya/xelixir,victorlcampos/xelixir,parkerl/xelixir,montague/xelixir,wobh/xelixir,exercism/xelixir,henrik/xelixir