chore(build): Add scripts to travis

I guess I never really added scripts. We've been not reporting coverage for a while 😅

Author: Kent C. Dodds

.travis.yml

@@ -16,5 +16,10 @@ before_install:
   - "sh -e /etc/init.d/xvfb start"
 before_script:
   - npm prune
+script:
+  - npm run code-checks
+  - npm t
+  - npm run check-coverage
 after_success:
+  - npm run report-coverage
   - npm run semantic-release