Made irregular companies classifier tests more explicit

[rennerocha]

We have few test cases in the related fixture, so it could be better to have these tests more explicit on their objectives, avoiding the developer to navigate between two files to understand the test.

As the test file remains smaller than 100 lines I believe we can remove the fixture.

[coveralls]

Changes Unknown when pulling 20f0643dd169e2440bdebeb0f0ba79c9e03aaf09 on rennerocha:renne-irregular-companies-test into on datasciencebr:master.

[anaschwendler]

Hi @rennerocha I was testing your PR and got lost for a while, sorry for that.

So, first I'll fix issue #63 to better run the project, and then get back to you PR, sorry for not testing it yet, soon I'll be back with news!

[cuducos]

Any chance we follow the structure put forward by #78 here? We could add in the fixture the expected result. This sounds pretty cleaver, readable, maintainable and useful ; )

[anaschwendler]

I'll work on that now @cuducos 🎉