.travis: terminate if exit code is not 0

[markya0616]

Before submitting a pull request, please make sure the following is done:

Checklist

• [ ] Fork the repository and create your new branch from master.
• [ ] Please mention the name of community in Pull Request title.
• [ ] Git Commit Messages
  • [ ] Use the present tense (Also in Pull Request title): "Add feature" not "Added feature"
  • [ ] Use the imperative mood (Also in Pull Request title): "Move cursor to..." not "Moves cursor to..."
  • [ ] Use rebase to squash/fixup dummy/unnecessary commits into only one commit.

[codecov[bot]]

Codecov Report

Patch coverage has no change and project coverage change: +0.08% :tada:

Comparison is base (1e8e2a1) 80.44% compared to head (beb4738) 80.53%. Report is 5 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #270 +/- ## ========================================== + Coverage 80.44% 80.53% +0.08% ========================================== Files 145 145 Lines 11218 11218 ========================================== + Hits 9024 9034 +10 + Misses 1381 1376 -5 + Partials 813 808 -5 ``` [see 5 files with indirect coverage changes](https://app.codecov.io/gh/getamis/alice/pull/270/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=getamis)

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.