Add tests

[webknjaz]

(integrate pytest-based test suite)

[webknjaz]

cc @MazanYan

[webknjaz]

Plz ensure to add test running into the Travis CI config file.

[JayBatra]

@webknjaz, is someone working on this. Can I take this one?

[webknjaz]

@JayBatra I don't know, it looks like @MazanYan has forked the project, but haven't pushed anything there. I have no knowledge of whether he is working on it locally or maybe he does #1.

I think you can start working on it and we'll see then.

Just make sure to post stuff here, so that nobody would do double-work.

[JayBatra]

@webknjaz, I am taking this up then.

[webknjaz]

👍