[wip] Improve tests

[Claudson Oliveira]

• Create new tests for the source code
• make them run on github actions

I need help to define a proper plan on testing:

• What are the things that we have to cover by the tests?

[Esron Silva]

Hi @filhodanuvem I'm new to Go unit testing. Do you know some sources and references that I can use to begin working in this issue?

[Claudson Oliveira]

Fala @esron ! Acho que alguns bons conteúdos:

• https://blog.alexellis.io/golang-writing-unit-tests/
• https://golang.org/pkg/testing/
• https://gobyexample.com/testing
• https://github.com/hashicorp/go-version/blob/master/version_test.go