Improve CI

[simonepri]

Changes

• Refactor for test making them deterministic
• Update Appveyor CI configs
• Update Travis CI configs
• Automatically send coverage report to codeclimate if the tests passes on the CI

cc @nelsonic @indexzero @zixia

[nelsonic]

@simonepri these improvements make sense. 👍

[simonepri]

Lets see if all the tests pass.

[simonepri]

Interesting, some tests on x86 versions fails.
Maybe there's some problem with the tests?

[simonepri]

That's the cause
https://github.com/indexzero/ps-tree/blob/master/test/test.js#L37

[simonepri]

Maybe we can use something like
parent.stdout.on('data', () => {});
instead of the timeout.

[huan]

LGTM, but please make CI green with this PR before we could be able to merge it.

Thank you very much!

[simonepri]

The test suite is now correct and tests pass.

I've updated the changes in the first comment.

Should I split all the changes in separate PRs or is okay to marge this single big PR?
In the second case we need to squash the commits.

cc @nelsonic @indexzero @zixia

[huan]

LGTM, You did a great job!

Thanks for the improvements and I'd like to suggest you split it into multiple PRs instead of a single big one.

[simonepri]

Closing this in favour of:
#27 #28 #29